Find the volume of the cylinder. express your answer in terms of π. the radius is 7cm and the length is 15 cm. a) 602 cm pie ^3 b) 735 cm pie ^3 c) 812 cm pie ^3 d) 518 cm pie ^3

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