A stack of paper is 8 1/2 in. long by 11 in. wide by 4 in. high. What is the volume of the stack of paper?

Do 12/14 and 8/10 have the same value? explain your answer.

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?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?