Find the product.-6xy2(3x3y2 - 8x3y)

A. -18x4y4 + 48x3y2
B. -18x3y4 + 48x3y2
C. -18x4y4 + 48x4y3
D. -18x3y4 + 48x4y3

Answer: C

Mathematics

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Find the unknowns on the right side of the partial fraction decomposition. =  + 

A. A = , B = - , C = 
B. A = , B = , C = - 
C. A = , B = - , C = 
D. A = - , B = , C = 

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Mathematics

Find the slope of the line passing through the pair of points: ? P (-15, -19); Q (-14, -12) ?

A.
B.
C.
D.
E. none of these

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Mathematics

Add.(-18) + 2 + (-1) + 21

A. 4 B. -4 C. 6 D. 42

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Mathematics

Solve the triangle. Find the angles ? and ? first.a = 8, b = 6, c = 4

A. ? = 46.6°, ? = 104.5°, ? = 28.9° B. ? = 104.5°, ? = 28.9°, ? = 46.6° C. ? = 46.6°, ? = 28.9°, ? = 104.5° D. ? = 104.5°, ? = 46.6°, ? = 28.9°

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Mathematics