Let

What is the relationship between Pand M?
A. M = 10,000P
B. P = 10,000M
C. M= 4P
D. M = 0.0001P​

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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

Which one is the correct answer, and why?