Bob invests $18818 in an account that pays 7.24% interest per year for 5 years. Ilo much simple interest will he cam? Round your answer to the nearest penny if necessary.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.