Find the equation of the ellipse satisfying the given conditions. The center is at the origin.Sum of lengths of major and minor axes 16, focus (0, 4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Evaluate the sum.
A. -115 B. 1489 C. 1435 D. -165
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Rewrite with only sin x and cos x.sin 2x - cos 3x
A. cos3 x + 2 sin2 x cos x - sin2 x + 2 sin x cos x B. 2 sin2 x cos x - cos3 x - 2 sin x cos x C. 2 sin x cos x + cos x - 4 cos x sin2x D. 3 sin2 x cos x - sin3 x + 2 sin x cos x
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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. 
? = 100,000 CDsApproximately how many CDs will be sold in 2007?
A. 60,000 CDs B. 6 CDs C. 600,000 CDs D. 900,000 CDs
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Use l'H
pital's rule to find the limit.
A. 1 B. -? C. ? D. 0
Mathematics