The bike is on sale for $130. if the original price of the bike is $200, what is the percent discount

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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