Ionly have 3 minutes to do this test

a gift box is a cube with a volume of 512 cubic inches. what is the length of each edge of the box? show your work.

What is the simplified expression for 6(2(y+x))

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?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?