Write the equation of the line. A. Y= -2/3x + 4
B. Y= 2/3x - 4
C. Y= 3/2x - 4
D. Y= -3/2x + 4

Is a positive integer raised to a negative power always positive

Could somebody me with this radical simplification?

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.