How do you find 2/3 of 8 1/2 miles.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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?