Find the matrix product, if possible.
A. 
B. 
C. 
D. 
Answer: D
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Find the volume of the solid. Use 
for ?.
A. 78
cu cm
B. 1571
cu cm
C. 39
cu cm
D. 523
cu cm
If a firm that has fixed costs in its operations does not meet its forecasted sales level, its operating leverage will result in a magnified decrease in net income compared to what is expected.
Answer the following statement true (T) or false (F)
Shade the region of feasible solutions for the given constraints.2x + 3y ? 6 x - y ? 3x ? 0, y ? 2
A. 
B. 
C. 
D. 
Solve the problem.A box with an open top is formed by cutting squares out of the corners of a rectangular piece of cardboard and then folding up the sides. If x represents the length of the side of the square cut from each corner, and if the original piece of cardboard is 15 inches by 13 inches, what size square must be cut if the volume of the box is to be 189 cubic inches? 
A. 4 in. by 4 in. square B. 7 in. by 7 in. square C. 9 in. by 9 in. square D. 3 in. by 3 in. square