a rectangular prism is 5 inches long 8 inches wide and 10 inches tall what is the length of its longest diagonal?

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How many $20 bills do you need to have to make $280

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?