Which expression is equivalent to ( r^-7)^6?
A) r^42
B)r^1/42
C)-7r^6
D)1/r

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Which expression is equivalent to 3^3 + 2^2?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.