Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 10,000 CDsApproximately how many fewer CDs will be sold in 2009 than in 2011?
A. 4 CDs
B. 40,000 CDs
C. 60,000 CDs
D. 50,000 CDs
Answer: B
Mathematics
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Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = 11(x - 5)2 + 8
A. (11, 5) B. (-5, 8) C. (8, -5) D. (5, 8)
Mathematics
Solve the equation.-3x + 3 + 9x - 6 = 8
A. - 
B. 
C. 
D. - 
Mathematics
Given that the pair of triangles is similar, find the length of the side labeled n.
A. 8 B. 0.0528125 C. 0.32 D. 0.08
Mathematics
Solve.A pendulum bob swings through an arc 80 inches long on its first swing. Each swing thereafter, it swings only 66% as far as on the previous swing. What is the length of the arc after 10 swings? Round your answer to two decimal places, if necessary.
A. 0.83 inches B. 475.2 inches C. 1.9 inches D. 1.25 inches
Mathematics