A. 16^{5}
C. 4^{5}
i don't know b. tho
28/80 and then you simplify it by dividing the numerator and denominator by 4 and you get 7/20.
B. 7/20 is the correct answer
6 because if she put 6 books in 6 boxes, you the books would be equally split and 6 books in 6 boxes would equal 36 books
The volume of a prism = area of the base * height
substitute:
640 = A * 8
base area=80 sq ft<span />