Multi-Step Carla has 3 feet of ribbon. She needs 38 inches of ribbon to wrap a present. How many more inches of ribbon
does Carla need?
A 2 inches
(В)
35 inches
29 inches
3 inches
50 Pts
B
E

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