What is the volume of the rectangle prims

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters