What is Sir Isaac Newton's second law of motion? When do you use a colon in a sentence? How do you solve a Pythagorean Theorem equation?Back to Schooltests you on the concepts you learned in high school and probably don't remember. Each chapter crams four years of academics into easy-to-read entries that provide you with the most important facts on everything from mathematics and chemistry to literature and art history. Author: Benjamin Smith. Paperback;274 pages.

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