1. a professional volleyball player can jump an average of 2.5 times higher than the average person. if an average person can jump inches high, how high can the professional volleyball player jump? a. 2x b. 2.5x c. 2.5(2x) d. 10x 2. jill is 4 years younger than half janet’s age. if janet is y years old, which expression describes how old jill is? a. 1/2 y- 4 b. 1/2 y+ 4 c. 4- 1/2 y d. 4+ 1/2 y 3. which statement best expresses the total value (v) of a stash of (n) bundles of $15.00 each? a. v+n=15.00 b. v=n/15.00 c. v-n=15.00 d. v=15.00n