6 1/5 - 4 2/4=? help I need it now pls thx u.

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.]

Ined this is due tomorrow and i dont know the answer can you find all the exponents

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)