If you need to know it, it's in this book. Cracking the ACT, 2012 Edition has everything you need to master the ACT exam, including:
? Access to 3 full-length practice tests with
detailed answer explanations—2 in the book and 1 online
? Comprehensive and engaging review of content covered
in all five sections of the ACT, including rhetorical skills and
reading comprehension for English, geometry and trigonometry for
Math, and experiments for Science Reasoning
? Detailed walk-through of how to write great
essays
? Strategies for turning complex algebra into simple
arithmetic
? Practice questions and explanations in every
chapter
? Online lessons and tutorials for more practice