13. Which of the following statements are true?I. −(−6) = 6 and − (−4) > –4 II. −(−4) < 4 or −10 > 10 – 10 III. 5 + 6 = 11 or 9 – 2 = 11 IV. 17 > 2 or 6 < 9
a. I and II
b. I, II, and III c. I, III, and IV d. III and IV 18. What is the solution of the inequality |3-x| / 2 < 4? a. 5

a. −2 b. 0 c. 3 d. 4 40. A farmer wished to construct a rectangular fence with one side along a barn. The

farmer has 240 feet of fence and wished to have the length be 3 times the width. Find

the dimensions of the fence.

144 ft by 48 ft

192ft by 48ft

120ft by 40ft

108ft by 58ft 47. Solve:|8–m|+4=21.

a. 9, 25 b. −25, 9 c. −25, −9 d. −9, 25 You roll a twelve-sided number cube with the numbers 1 through 12 on the faces of

the number cube. You roll the number cube once. Find the theoretical probability

P(factor of 12).

a. 5/12

b. 1/2 c. 7/12d. 3/4