1. If 12x − 4y = 12, 4y − 11z = 17, and 11z − 4x = 11, what is the value of x?   −8   5   cannot be determined   40   8   Hint Hint       2. Mary bought some eggs on Sunday. She used half of them on Monday. After using 3 more eggs on Tuesday, she was left with exactly one-third of the eggs. How many eggs did Mary buy?   10   12   16   18   24   Hint       3. What is the largest integer, n, for which 297/(3n) is an integer?   1   2   3   4   5   Hint       4. A region within a semicircle is shaded. If D is the diameter of the semicircle, what is the area of the shaded region?   πD2/16   πD2/4   πD2/8   3πD2/16   3πD2/8   Hint       5. Three-fourths of the fruits in a basket are peaches, and one-tenth of the remaining fruits are plums. If the rest are apples, what percent of the fruits in the basket are apples?   7.5   15   20   22.5   30   Hint       6. Which of the following is not equivalent to 5/8?   35/56   0.625   62.5%   40/64   36/48   Hint       7. If 3 (4 − 9z) = 7z, then what is z?   3/34   6/17   17/6   −6/17   −17/6   Hint