Students can find answers to the practice problems in Holt, Rinehart and Winston mathematics textbooks at Go.HRW.com. Answers for the following subjects are available as of 2016: middle school mathematics, pre-algebra, algebra and geometry.
To find answers to textbook practice questions at Go.HRW.com, select the area of mathematics you wish to study. Find the title of your textbook, and click on it. Next, choose Homework Help and click on the appropriate chapter and practice lesson. To see a complete solution to a problem, click the light bulb icon. Go.HRW.com also provides short videos of problem demonstrations as well as additional problems not listed in the textbook.