Please help me! If your answer correct to me then I will brain list your answer, please.

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.]

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum