Solve the problem.The area of a rectangular piece of cardboard shown is 736 square inches. The cardboard is used to make an open box by cutting a 5-inch square from each corner and turning up the sides. If the box is to have a volume of 1080 cubic inches, find the dimensions of the cardboard that must be used.
A. 16 inches by 46 inches
B. 11 inches by 41 inches
C. 6 inches by 31 inches
D. 21 inches by 51 inches
Answer: A
Mathematics
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Solve the system of equations by the addition method.
A. (16, 13)
B. 
C. (13, 16)
D. no solution
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Factor completely.x2(y - 5) - 11x(y - 5) + 24(y - 5)
A. (x - 3)(x - 8)(y - 5) B. (x - 3)(x + 8)(y - 5) C. (x + 3)(x - 8)(y - 5) D. (x + 3)(x + 8)(y - 5)
Mathematics
Evaluate the polynomial.4x2 + 2x - 7for x = -3
A. 13 B. -25 C. 19 D. 23
Mathematics
Solve the problem.If cos ? = - 
, and ? terminates in quadrant II, then find cos 2?.
A. 
B. 
C. - 
D. - 
Mathematics