Work out a volume of a prism 4m x 4m x 7m

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

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.