"At Mometrix, we take your study time very seriously. We realize how busy you are and want to give you the most effective tools possible so you can maximize the limited time you have to prepare. Our team of testing experts has devoted hours and hours scrutinizing every possible topic that could be covered on the exam to give you practice questions that are as much like the actual test as possible. Our thorough answer key will not only show you the right answers, but offers in-depth explanations to ensure that no matter how confusing the test questions are worded, you will understand the concept well enough to choose the right answer. Understanding these practice questions will put you well on your way to the content mastery necessary to perform well on your exam." -- from back cover.