Write the expression using exponents.

66•66•66 =

A metalworker has a metal alloy that is 20 % copper and another alloy that is 60 % copper. How many kilograms of each alloy should the metalworker combine to create 90 kg of a 52 % copper alloy?

An art studio purchased a triangular plot of land in a town and constructed a new building whose base is in the shape of a right triangle. The two legs have lengths of xminus4 feet and x plus 6 feet. The hypotenuse is 2 minus 18 feet.

Estimate the fur seal pup population in Rookery A 5498 fur seal pups were tagged in early August In late August, a sample of 1300 pups was cbserved and 157 of these were found to have been previously tagged.

Factor completely - 5x^2+10x-15? a. - 5 (x^2-2x+3) b. - 1 (x^2-10x+15) C.-5x (x^2-2x+3) d. - 5 (x^2-2x-3)

Use partial products to find 15x32

Destiny needs a new coat for the winter and she found one at old navy for $48.88. The sales tax is 8%. How much will she pay for the sales tax?

Jessie sorted the coins in her bank she made 7 stacks of 6 dimes and 8 stacks of 5 nickels she then found 1 dime and 1 nickel how many dimes and nickels does Jessie have in all

If Tina talks fewer than 100 minutes a month, she does not have to pay anything. True / False Evidence:

Five sixths of the 300 triathletes completed the course

Length of a rectangular prism is increased by factor of 1.5. The width is doubled and height is tripled.