Divide:
r^2/r^12
A. r^10
B.1/r^6
C.1/r^10
D. r^8
E. r^6

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3