Add or subtract.(-5x2y - 8x + 3y2) + (7x2y - 8x - 5y2)

A. -35x2y - 8x - 2y2
B. 2x4 y- 16x2 - 2y2
C. 2x2y - 16x - 2y2
D. 2x2y - 8x - 2y2

Answer: C

Mathematics

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A. -18
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C. -28
D.

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A.
B.
C.
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For the points P and Q, find the distance d(P, Q).P(3, -5), Q(7, -7)

A. 12
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Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.

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Mathematics