Which statement shows how the product of (x + 3)^2 demonstrates the closure property of multiplication? A. x2 + 9 may or may not be a polynomial

B. x2 + 6x + 9 may or may not be a polynomial

C. x2 + 9 is a polynomial

D. x2 + 6x + 9 is a polynomial

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

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?

Find the solution of each of the following.