Match the graph to one of the polar equations.
A. r = 2 + cos ?
B. r = 2 + sin ?
C. r = 4 cos ?
D. r = 4 sin ?
Answer: B
Mathematics
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Graph on a number line.0.9
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify the expression.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the formula for Sn to find the sum of the first five terms of the geometric sequence.
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 341
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 
Mathematics