You want to buy three books that are on sale at 20% off the original prices of your books are $2.50, 4.95, and 6.00. how much will you have

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid