Which expression is equivalent to 1/2 x + (-70) - 2 1/4 x - (-2) *

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.]

What is the location of maximum over the interval [-3,1.5] for the graphed function?

What is the answer to this problem? ignore the work. what is the correct answer?