Combine like terms

4ysquare + 4 (6ysquare - 3 )

5/6+7/8what is the answer sealsdbdbshd

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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