How much interest will you have in 6 months if you invest $1,000 at 3% compounded monthly? round your answer to the nearest penny/hundredth. please help

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?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3