Match the graph to one of the polar equations.
A. r = 4 sin ?
B. r = 2 + cos ?
C. r = 2 + sin ?
D. r = 4 cos ?
Answer: B
Mathematics
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Simplify the algebraic expression by combining similar terms.x - 0.8x - 3.6x
A. -3.2x B. -3x C. -3.1x D. -3.4x E. -3.3x
Mathematics
Evaluate the given double integral by changing it to an iterated integral.
S is the region bounded by the x-axis, the line 
and the curve 
A. 10 B. 8 C. 9 D. 1
Mathematics
Simplify.- 
5
A. 
B. - 
C. 
D. - 
Mathematics
Graph the following line.Through (0, 4), m = - 4
A. 
B. 
C. 
D. 
Mathematics