1. If x = 3, then x2 + 2x - 12 = ?
2. If 3(2x - 1) = 11x + 27, then x = ?
3. To make space for new merchandise, a clothing store offered a 15% discount on all current stock.What is the sale price of a jacket that regularly sells for $42?
4. In the figure below, line m is parallel to line n. One angle formed with transversal line T measures 60°, as shown. What is the degree measure of a?
5. If x = 3, y = 5, and w = 4, what is the value of ?
6. For all x, (3x - 5)(4x + 3) = ?
7. |5 - 8| - |9 - 3| = ?
8. = ?
9. A carpet company uses the following formula for estimating the number of square feet, a, of carpeting needed for a room x feet by y feet, containing a stairway w feet by z feet, with n stairs:
What is the company's estimate for the number of square feet of carpeting needed for a room that is 15 feet by 18 feet, containing a stairway that is 6 feet by 6 feet with 8 stairs?
10. An urn contains 7 blue balls, 5 white balls, and 3 red balls. What is the probability that the first ball drawn at random from the urn will NOT be red?
11. A certain watch costs $100, and a certain pearl necklace costs $300. If the cost of the watch increases by 5% and the cost of the pearl necklace decreases by 10%, what will be the sum of their new costs?
12. In the figure below, is tangent to circle O at point T. If = 6 units, = 8 units, and = 10 units, how many units long is the radius of the circle?
13. If a = BC, b = x, and c = yz, then AB = ?
14. Which of the following inequalities specifies precisely the real values of x that are solutions to the inequality -5 < -3x - 7?
15. What is the slope of the line determined by the equation ?