System of equations graphically on the s y = -x + 2
y = 2x - 4
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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

Select all of the following expressions that are equal to 2.5.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost