1. Belinda baked 9 pies that weigh 20 1/4 pounds total. How much does each pie weigh? *
81/4
4/81
4/9
9/4

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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