1. Debbie is choosing silverware with which to eat dinner. There are 3 knives and 5 forks
to choose from. For the spoon, Debbie has 4
options. How many different silverware sets
can Debbie choose? Show how you get your
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