an inlet pipe on a swimming pool can be used to fill the pool in 47 hours. The drain pipe can be used to empty the pool in 48 hourd. If the pool is 1/2 filled and then the inlet pipe and drain pipe are opened, how long from that time will it take to fill the pool?​

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min