Ireally don't understand this could someone explain?

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.]

Assemble the proof by dragging tiles to the statements and reasons column

Evaluate the expression. (9 + 5)(3 + 2)0