15 ^7 dividend by 15 ^4 is equal to A. 15 ^3
B. 1
C. 15 ^11
D. 15 ^7/4

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which is a graph of a proportional relationship?