Which of the following is the surface area of the right cylinder below?
A. 176 units2
B. 72 units2
C. 144. units2
D. 192 units2

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry