Question The heights of five adults are 62, 72, 73, 69, and 71 inches. What is the average height, in inches, of the
five adults?
O 68.6
O 68.8
O 69.2
O 69.4
​

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