9.calculate the area of a rectangle that measures 24 ft. by 15 ft. be sure to express your answer in square units.
select one:
a. 200 ft.2
c. 300 ft.2
d. 360 ft.2

10.calculate the volume of a sphere with a radius of 3 in. express your answer in terms of π.
v = 36π in.3
select one:
a. 36π in.3
c. 63π in.3
d. 81π in.3