5xy + 20x + 7y + 28
A. (5x + y)(7y + 4)
B. (5x + 4)(y + 7)
C. (5x + 7y)(y + 4)
D. (5x + 7)(y + 4)
Answer: D
Mathematics
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A.
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Find the exact value for the expression.cot
A. -
B. -
C. -1
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Mathematics