Are you insane like me

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

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 range for 31,39,29,34,37,24,36,33,34,28