A swimming pool is to be drained. The pool is shaped like a rectangular prism with length 25 ft; width 18 ft, and depth 6 ft. Suppose water is pumped out of the pool at a rate of 180 fe
per hour. If the pool starts completely full, how many hours does it take to empty the pool?
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Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?