Alejandro bought 3 music albums for $9.99 per album .use mental math to find the total cost of the albums.

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Which fraction below is equivalent to 10/12?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?