A storage container for water is in the shape of a cylinder has a diameter of 9 feet and a height of 21 feet what is the volume of the storage container and cubic feet how could this information be used in real world explain step by step process of this problem please I need help

Which ratio is equivalent to 10: 85

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?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.