Find the squares of (x+3)

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.]

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Ineed with math stuff it involves graphs