Factor.81 - w2
A. (9 + w)2
B. 81 - w2
C. (9 - w)2
D. (9 - w)(9 + w)
Answer: D
Mathematics
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Use the Ratio Test to determine if the series converges or diverges.
A. Diverges B. Converges
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Graph.f(x) = 
x2 - 3x + 3
A. 
B. 
C. 
D. 
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Solve the system of equations.3x + 2y + z = 33x - 5y - z = -362x + y + 4z = 7
A. {(-3, 2, 5)} B. {(-3, 5, 2)} C. ? D. {(2, 5, -3)}
Mathematics
Provide an appropriate response.Suppose a rectangle has length 
and width 
. Which of the following is the best estimate of its area?
A. 30 B. 22 C. 56 D. 106
Mathematics