What is the perimeter of this parallelogram?

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.]

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Find the value of x for which abcd must be a parallelogram -9-6x x-30