if 40 workers can complete a piece of work in 15 days how many workers should be employed to complete the same work in 3 days

36 inches/second = yards/minute how many yards?

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?

Which of these triangle pairs can be mapped to each other using two reflections?