A cylindrical barrel has a height of 8 feet and a radius of 6 feet. What is the approximate volume of the barrel?
A. 151 cubic feet
B. 226 cubic feet
C. 603 cubic feet
D. 905 cubic feet
How much air would be needed to fill a bouncy ball with a radius of 9 cm?
A. 108π cm3
B. 486π cm3
C. 972π cm3
D. 3052π cm3