Which rate should be used to convert 15 yards:1 feet per hour? A. 3 feet:1 yard
B. 1 yard:3 feet
C. 1 hour:60 minutes
D. 60 minutes:1 hour

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 shows the graph of the solution set of 3y – 2x > –18?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd