Please help i don't know how to do this

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

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.]

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?