Factor out the greatest common factor.-20x3 - 40x2 + 30x
A. -10(2x3 + 4x2 - 3x)
B. -10x(2x2 + 4x - 3)
C. -20x(x2 + 2x - 3)
D. -10x(2x2 - 4x + 3)
Answer: B
Mathematics
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Determine whether the nonincreasing sequence converges or diverges.an = 
A. Diverges B. Converges
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Write the polynomial dividend.
?110?21?-3-2117?0
A. x2 + 10x + 21 B. x + 3 C. -x2 - 10x - 21 D. x + 7
Mathematics
For the quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same shape as the graph of 
f(x) = -x2 - 6
A. Down; same B. Up; same C. Up; narrower D. Down; narrower
Mathematics
Solve the equation.-8.34 - 2.6t = 5.4(t + 4.9)
A. 4.35 B. -2.265 C. 2.265 D. -4.35
Mathematics