Simplify.4
A. 
B. 
C. 80x
D. 5x
Answer: A
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 
< 
B. 
< 0.20
C. 
< 
D. 
< 
Mathematics
Find the requested fraction.
= 
A. 
B. 
C. 
D. 
Mathematics
Multiply.20(-8)
A. -152 B. 180 C. -160 D. -180
Mathematics
Graph the ellipse.
+ 
= 1 
A. 
B. 
C. 
D. 
Mathematics