There are 95 children at sports camp. 1/5 of children want to play basketball. how many children want to play basketball?

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

Angle that produces maximum distance

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?