Add or subtract as indicated.(x3y2 + 2x2y3 + 5xy + 5) + (x2y3 + 8x3y2 - 2xy + 4)
A. 9x3y2 + 3x2y3 + 5xy + 9
B. 7x3y2 + 3x2y3 + 3xy + 9
C. 2x3y2 + 10x2y3 + 3xy + 9
D. 9x3y2 + 3x2y3 + 3xy + 9
Answer: D
Mathematics
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Rwhere R is the parallelogram bounded by the lines 
A. 
B. 
C. 140
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Factor completely.3c3 - 81d3
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