首页

An easier way to 
study hard.
An easier way to study hard

bartleby learn questions and answersbartleby learn questions and answersbartleby learn questions and answers
bartleby Product
Search. Solve. 
Succeed.
Study smarter with access to millions of step-by-step textbook solutions, a searchable digital database of homework solutions, and subject matter experts on standby 24/7 to provide homework help when you need it. 
Subscribe and your first month is $4.99!*
*After your first month, your subscription will auto-renew at $9.99 or the then current monthly fee. Cancel anytime.

Here’s our winning lineup of student tools:

bartleby textbook solutions

Textbook Solutions

Millions of step-by-step textbook solutions with thousands added daily in 30 subjects.*
bartleby learn questions and answers

Expert Q&A

Ask our experts your most troublesome homework or study questions any time and receive a detailed solution within one hour.**
bartleby homework solutions

24/7 Homework Help

Our subject matter experts, many with advanced degrees, are always on standby to ease your concerns and get you back on track.
bartleby solution database

Solutions Database

Homework solutions are easily searchable and constantly updated. Quickly find what you need, save it for later, and access it from a mobile device!
*Estimated based on averages.
**Response times may vary by subject and question.
爱购彩电脑版|爱购彩彩票|爱购彩票邀请码
“Other study platforms online often only provide the answer, which is really unproductive for actual learning, so 
I appreciate the great lengths Bartleby has gone to in order to develop
high-quality solutions for its users.”

Grant Bernero, Georgetown University

bartleby Product
Compose with 
confidence.
Quit staring at a blinking cursor. Easier essay composition is “write” here with your new favorite plagiarism and grammar checker. Our all-in-one writing help tool is designed to reduce mistakes, improve writing habits and transform okay essays into stellar ones so you can submit your paper with confidence 
– all for only $9.99/month.
Our all-in-one writing help tool is designed to reduce mistakes, improve writing habits and transform okay essays into stellar ones so you can submit your paper with confidenceOur all-in-one writing help tool is designed to reduce mistakes, improve writing habits and transform okay essays into stellar ones so you can submit your paper with confidenceOur all-in-one writing help tool is designed to reduce mistakes, improve writing habits and transform okay essays into stellar ones so you can submit your paper with confidence

Your 24/7 personal writing tutor.

bartleby plagiarism checker

Plagiarism Checker

We help you catch missing citations, accidental copied text and other mistakes, giving you supreme confidence in your original work.
bartleby grammar checker

Grammar and Spell Checkers

Author your own success story with writing help to eliminate mistakes.
bartleby essay scoring services

Early Scoring

Our advanced algorithm scans your paper and compares it to thousands of similar papers to produce a score before you turn it in.
bartleby essay citation services

Citation Assistance

Whether it’s MLA grammar checks or APA assistance, citing sources is a cinch.
爱购彩电脑版|爱购彩彩票|爱购彩票邀请码
Ready to get started?
Sign up for 24/7 homework help now!

Popular Textbooks

Textbooks used by other students
Show more textbooks
add
Cognitive Psychology: Connecting Mind, Research and Everyday Experience (MindTap Course List)
4th Edition
E. Bruce Goldstein
ISBN: 9781285763880
Principles of Economics (MindTap Course List)
8th Edition
N. Gregory Mankiw
ISBN: 9781305585126
Essential Calculus: Early Transcendentals
2nd Edition
James Stewart
ISBN: 9781133112280
Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)
14th Edition
Frances Sizer
ISBN: 9781305627994
University Physics Volume 1
18th Edition
William Moebs
ISBN: 9781938168277
Welding: Principles and Applications (MindTap Course List)
8th Edition
Larry Jeffus
ISBN: 9781305494695
Precalculus: Mathematics for Calculus (Standalone Book)
7th Edition
James Stewart
ISBN: 9781305071759
Fundamentals of Financial Management, Concise Edition (MindTap Course List)
9th Edition
Eugene F. Brigham
ISBN: 9781305635937
University Physics Volume 2
18th Edition
OpenStax
ISBN: 9781938168161
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
Saeed Moaveni
ISBN: 9781305084766
Calculus (MindTap Course List)
8th Edition
James Stewart
ISBN: 9781285740621
The Basics of Social Research (MindTap Course List)
7th Edition
Earl R. Babbie
ISBN: 9781305503076
Probability and Statistics for Engineering and the Sciences
9th Edition
Jay L. Devore
ISBN: 9781305251809
Microeconomics: Private and Public Choice (MindTap Course List)
16th Edition
James D. Gwartney
ISBN: 9781305506893
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
10th Edition
Soo T. Tan
ISBN: 9781285464640
Sociology: The Essentials (MindTap Course List)
9th Edition
Margaret L. Andersen
ISBN: 9781305503083
Behavioral Sciences STAT (with CourseMate Printed Access Card) (New, Engaging Titles from 4LTR Press)
2nd Edition
Gary Heiman
ISBN: 9781285458144
Calculus: Early Transcendental Functions (MindTap Course List)
6th Edition
Ron Larson
ISBN: 9781285774770
The Legal Environment of Business: Text and Cases (MindTap Course List)
10th Edition
Frank B. Cross
ISBN: 9781305967304
Essentials of Statistics for the Behavioral Sciences
8th Edition
Frederick J Gravetter
ISBN: 9781133956570
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
11th Edition
Dennis G. Zill
ISBN: 9781305965720
Database Systems: Design, Implementation, & Management
12th Edition
Carlos Coronel
ISBN: 9781305627482
Environmental Science (MindTap Course List)
15th Edition
G. Tyler Miller
ISBN: 9781305090446
Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
N. Gregory Mankiw
ISBN: 9781337091985
Statistics for The Behavioral Sciences (MindTap Course List)
10th Edition
Frederick J Gravetter
ISBN: 9781305504912
Information Technology Project Management
8th Edition
Kathy Schwalbe
ISBN: 9781285452340
Principles of Macroeconomics (MindTap Course List)
7th Edition
N. Gregory Mankiw
ISBN: 9781285165912
Principles of Economics 2e
2nd Edition
Steven A. Greenlaw; David Shapiro
ISBN: 9781947172364
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
John Tomczyk
ISBN: 9781305578296
Theories of Personality (MindTap Course List)
11th Edition
Duane P. Schultz
ISBN: 9781305652958
The Practice of Social Research (MindTap Course List)
14th Edition
Earl R. Babbie
ISBN: 9781305104945
Precision Machining Technology (MindTap Course List)
2nd Edition
Peter J. Hoffman
ISBN: 9781285444543
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
9th Edition
Frederick J Gravetter
ISBN: 9781337098120
Multivariable Calculus
8th Edition
James Stewart
ISBN: 9781305266643
Fundamentals of Financial Management (MindTap Course List)
14th Edition
Eugene F. Brigham
ISBN: 9781285867977
Chemistry
10th Edition
Steven S. Zumdahl
ISBN: 9781305957404
Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
Cecie Starr
ISBN: 9781305117396
Essentials of Economics (MindTap Course List)
8th Edition
N. Gregory Mankiw
ISBN: 9781337091992
Calculus (MindTap Course List)
11th Edition
Ron Larson
ISBN: 9781337275347
Nutrition Through the Life Cycle (MindTap Course List)
6th Edition
Judith E. Brown
ISBN: 9781305628007
Elementary Geometry for College Students
6th Edition
Daniel C. Alexander
ISBN: 9781285195698
Electricity for Refrigeration, Heating, and Air Conditioning
9th Edition
Russell E. Smith
ISBN: 9781285179988
Introductory Statistics
1st Edition
Barbara Illowsky
ISBN: 9781938168208
Differential Equations with Boundary-Value Problems (MindTap Course List)
9th Edition
Dennis G. Zill
ISBN: 9781305965799
Mathematical Applications for the Management, Life, and Social Sciences
11th Edition
Ronald J. Harshbarger
ISBN: 9781305108042
Macroeconomics: Private and Public Choice (MindTap Course List)
16th Edition
James D. Gwartney
ISBN: 9781305506756
Single Variable Calculus: Early Transcendentals
8th Edition
James Stewart
ISBN: 9781305270336
Macroscale and Microscale Organic Experiments
7th Edition
Kenneth L. Williamson
ISBN: 9781305577190
CompTIA Linux+ Guide to Linux Certification (MindTap Course List)
4th Edition
Jason Eckert
ISBN: 9781305107168
Research Methods for the Behavioral Sciences (MindTap Course List)
5th Edition
Frederick J Gravetter
ISBN: 9781305104136
Calculus
10th Edition
Ron Larson
ISBN: 9781285057095
Principles of Information Security (MindTap Course List)
6th Edition
Michael E. Whitman
ISBN: 9781337102063
Chemistry: Principles and Practice
3rd Edition
Daniel L. Reger
ISBN: 9780534420123
Fundamentals of Physical Geography
2nd Edition
James Petersen
ISBN: 9781133606536
Systems Analysis and Design (Shelly Cashman Series) (MindTap Course List)
11th Edition
Scott Tilley
ISBN: 9781305494602
A+ Guide to Hardware (Standalone Book) (MindTap Course List)
9th Edition
Jean Andrews
ISBN: 9781305266452
Chemical Principles in the Laboratory
11th Edition
Emil Slowinski
ISBN: 9781305264434
Oracle 12c: SQL
3rd Edition
Joan Casteel
ISBN: 9781305251038
Accounting Information Systems
11th Edition
Ulric J. Gelinas
ISBN: 9781337552127
College Physics
11th Edition
Raymond A. Serway
ISBN: 9781305952300
Understanding Management (MindTap Course List)
10th Edition
Richard L. Daft
ISBN: 9781305502215
Calculus of a Single Variable
11th Edition
Ron Larson
ISBN: 9781337275361
Chemistry
9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Principles of Instrumental Analysis
7th Edition
Douglas A. Skoog
ISBN: 9781305577213
A Guide to SQL
9th Edition
Philip J. Pratt
ISBN: 9781111527273
Foundations of Business - Standalone book (MindTap Course List)
4th Edition
William M. Pride
ISBN: 9781285193946
Elementary Linear Algebra (MindTap Course List)
8th Edition
Ron Larson
ISBN: 9781305658004
Economics: Private and Public Choice (MindTap Course List)
16th Edition
James D. Gwartney
ISBN: 9781305506725
Essentials of Business Analytics (MindTap Course List)
2nd Edition
Jeffrey D. Camm
ISBN: 9781305627734
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
Raymond A. Serway
ISBN: 9781305116399
C++ Programming: From Problem Analysis to Program Design
8th Edition
D. S. Malik
ISBN: 9781337102087
Chemistry for Engineering Students
3rd Edition
Lawrence S. Brown
ISBN: 9781285199023
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
Spencer L. Seager
ISBN: 9781305960060
Industrial Motor Control
7th Edition
Stephen Herman
ISBN: 9781133691808
Residential Construction Academy: House Wiring (MindTap Course List)
4th Edition
Gregory W Fletcher
ISBN: 9781285852225
Foundations of Astronomy (MindTap Course List)
14th Edition
Michael A. Seeds
ISBN: 9781337399920
Introduction to Probability and Statistics
14th Edition
Mendenhall
ISBN: 9781133103752
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
Lauralee Sherwood
ISBN: 9781285866932
Structural Analysis
6th Edition
KASSIMALI
ISBN: 9781337630931
Pushing Electrons
4th Edition
Weeks
ISBN: 9781133951889
Fraud Examination
5th Edition
W. Steve Albrecht
ISBN: 9781305079144
Human Development and Performance Throughout the Lifespan
2nd Edition
Anne Cronin
ISBN: 9781133951193
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
Cecie Starr
ISBN: 9781305073951
Understanding Motor Controls
3rd Edition
Stephen L. Herman
ISBN: 9781305498129
Auditing: A Risk Based-Approach to Conducting a Quality Audit
10th Edition
Karla M Johnstone
ISBN: 9781305080577
Classical Dynamics of Particles and Systems
5th Edition
Stephen T. Thornton
ISBN: 9780534408961
Organic Chemistry: A Guided Inquiry
2nd Edition
Andrei Straumanis
ISBN: 9780618974122
Systems Architecture
7th Edition
Stephen D. Burd
ISBN: 9781305080195
Chemistry & Chemical Reactivity
9th Edition
John C. Kotz
ISBN: 9781133949640
Finite Mathematics for the Managerial, Life, and Social Sciences
12th Edition
Soo T. Tan
ISBN: 9781337405782
Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
William P. Spence
ISBN: 9781305086272
New Perspectives on HTML5, CSS3, and JavaScript
6th Edition
Patrick M. Carey
ISBN: 9781305503922
Introductory Chemistry: An Active Learning Approach
6th Edition
Mark S. Cracolice
ISBN: 9781305079250
Financial & Managerial Accounting
14th Edition
Carl Warren
ISBN: 9781337119207
Mechanics of Materials (MindTap Course List)
9th Edition
Barry J. Goodno
ISBN: 9781337093347
College Algebra (MindTap Course List)
12th Edition
R. David Gustafson
ISBN: 9781305652231
Sociology in Our Times: The Essentials (MindTap Course List)
11th Edition
Diana Kendall
ISBN: 9781337109659
University Physics Volume 3
17th Edition
William Moebs
ISBN: 9781938168185
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
Braja M. Das
ISBN: 9781305970939
Financial Reporting, Financial Statement Analysis and Valuation
8th Edition
James M. Wahlen
ISBN: 9781285190907
Mathematics: A Practical Odyssey
8th Edition
David B. Johnson
ISBN: 9781305104174
An Introduction to Physical Science
14th Edition
James Shipman
ISBN: 9781305079137
Calculus Volume 2
17th Edition
Gilbert Strang
ISBN: 9781938168062
Intermediate Algebra
10th Edition
Jerome E. Kaufmann
ISBN: 9781285195728
Horizons: Exploring the Universe (MindTap Course List)
14th Edition
Michael A. Seeds
ISBN: 9781305960961
Single Variable Calculus
8th Edition
James Stewart
ISBN: 9781305266636
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
Bruce Crauder
ISBN: 9781337111348
Calculus Volume 1
17th Edition
Strang
ISBN: 9781938168024
Finite Mathematics
7th Edition
Stefan Waner
ISBN: 9781337280426
Principles of Foundation Engineering (MindTap Course List)
8th Edition
Braja M. Das
ISBN: 9781305081550
Marketing
20th Edition
Pride
ISBN: 9780357033791
Purchasing and Supply Chain Management
6th Edition
Robert M. Monczka
ISBN: 9781285869681
Differential Equations
4th Edition
Paul Blanchard
ISBN: 9780495561989
Fundamentals of Financial Management, Concise Edition (with Thomson ONE - Business School Edition, 1 term (6 months) Printed Access Card) (MindTap Course List)
8th Edition
Eugene F. Brigham
ISBN: 9781285065137
Organic Chemistry
9th Edition
John E. McMurry
ISBN: 9781305080485
MARKETING 2018
19th Edition
Pride
ISBN: 9780357033753
Single Variable Calculus: Early Transcendentals, Volume I
8th Edition
James Stewart
ISBN: 9781305270343
Electrical Transformers and Rotating Machines
4th Edition
Stephen L. Herman
ISBN: 9781305494817
Cornerstones of Cost Management (Cornerstones Series)
4th Edition
Don R. Hansen
ISBN: 9781305970663
Applied Calculus for the Managerial, Life, and Social Sciences (MindTap Course List)
10th Edition
Soo T. Tan
ISBN: 9781305657861
Accounting (Text Only)
26th Edition
Carl Warren
ISBN: 9781285743615
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
Michael Cummings
ISBN: 9781305251052
General Chemistry - Standalone book (MindTap Course List)
11th Edition
Steven D. Gammon
ISBN: 9781305580343
Introduction to Psychology: Gateways to Mind and Behavior (MindTap Course List)
15th Edition
Dennis Coon
ISBN: 9781337565691
Mathematical Excursions (MindTap Course List)
4th Edition
Richard N. Aufmann
ISBN: 9781305965584
Network+ Guide to Networks (MindTap Course List)
8th Edition
Jill West
ISBN: 9781337569330
Linear Algebra: A Modern Introduction
4th Edition
David Poole
ISBN: 9781285463247
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
6th Edition
David R. Anderson
ISBN: 9781337115186
Fundamentals of Information Systems
9th Edition
Ralph Stair
ISBN: 9781337097536
Algebra and Trigonometry (MindTap Course List)
4th Edition
James Stewart
ISBN: 9781305071742
Information Technology Project Management
9th Edition
Kathy Schwalbe
ISBN: 9781337101356
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
Jack Erjavec
ISBN: 9781133612315
Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
David R. Anderson
ISBN: 9781285846323
College Physics
10th Edition
Raymond A. Serway
ISBN: 9781285737027
Essentials Of Materials Science And Engineering
4th Edition
WRIGHT
ISBN: 9781337385497
Managerial Accounting: The Cornerstone of Business Decision-Making
7th Edition
Maryanne M. Mowen
ISBN: 9781337115773
MACROECONOMICS FOR TODAY
10th Edition
Tucker
ISBN: 9781337613057
Principles of Economics, 7th Edition (MindTap Course List)
7th Edition
N. Gregory Mankiw
ISBN: 9781285165875
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
Kreith
ISBN: 9781305387102
Intermediate Algebra
19th Edition
Lynn Marecek
ISBN: 9780998625720
Issues and Ethics in the Helping Professions (MindTap Course List)
10th Edition
Gerald Corey
ISBN: 9781337406291
Fundamentals Of Financial Management, Concise Edition (mindtap Course List)
10th Edition
Eugene F. Brigham
ISBN: 9781337902571
Introduction to General, Organic and Biochemistry
11th Edition
Frederick A. Bettelheim
ISBN: 9781285869759
Database Systems: Design, Implementation, & Management
11th Edition
Steven
ISBN: 9781285196145
Pkg Acc Infor Systems MS VISIO CD
10th Edition
Ulric J. Gelinas
ISBN: 9781133935940
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
Braja M. Das
ISBN: 9781305635180
Corporate Financial Acc