If a person is paid $510 for 31 hours of work, what is the person's hourly wage?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

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?