2. if a seamstress is paid $7.85 per hour and works 18.75 hours in one week, how much is she paid for that week? a. $147.19 b. $146.00 c. $94.75 d. $212.85

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