Simplify.(4x2 - xy - y2) + (x2 + 9xy - 6y2)
A. 5x2 + 8xy - 7y2
B. 5x2 - 10xy + 7y2
C. 5x2 - 10xy + 5y2
D. 5x2 + 8xy + 5y2
Answer: A
Mathematics
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A. 25x5/6 B. 25x3 C. 5x5/6 D. 5x2/3
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Determine if the statement is true or false.9 ? -9
A. True B. False
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Solve the problem.An open box is to be constructed from a square sheet of plastic by removing a square of side 4 inches from each corner, and then turning up the sides. If the box must have a volume of 1600 cubic inches, find the length of one side of the open box.
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Mathematics