Which set of dimensions is possible for a rectangular prism with a volume of 630 ft3?
a: 5 ft by 9 ft by 14 ft
b: 5 ft by 8 ft by 16 ft
c: 7 ft by 8 ft by 10 ft
d: 7 ft by 9ft by 12 ft

A. 5ft by 9ft by 14 ft

you simply multiply each and ever possible solutions by their given lengths. the one that equals 630 ft is the correct answer which in this case is A. 5 ft by 9 ft by 14 ft