What is the importance of defining the variable for percent population problems?

Can you draw an isosceles triangle with only one 80 degree angle?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

It says factor each expression 49x-28?