8 Nicholas has 54 cups of flour. The recipe for a cake he is making calls for 3 cups of flour, and he also needs 8 cups of flour for a cookie recipe. How much more flour will Nicholas need to make the
cake and cookies?

(explain too pls)

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?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Factor the expression using gcf 9b+45