Forget the meaning of life--the real search is for the value of x! Algebra is a world of its own, where FOIL isn't for wrapping up leftovers and logarithms have nothing to do with the latest dance craze. And since you may need to dust the cobwebs from your math memory to get through the algebra, we've included some arithmetic, too. See how well you fare on these sample questions from the SAT!

Note: Questions, answers, and explanations are provided by Kaplan Test Prep and Admissions.

Directions: Solve each of the following problems and decide which answer is the best of the choices given.

Notes:
1. Calculator use is permitted.
2. All numbers used are real numbers.
3. Figures are provided for some problems.
4. All figures are drawn to scale and lie in a plane UNLESS otherwise indicated.