The price of a stock steadily decreased by a total of $114 over the past 11 months. Which expression shows the change in the stocks value? Opposition: $11/114 months, $114/11 months, -$114/-11 months, -$114/11 months. Choose the correct answer.

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