Find area of figure. Round to the nearest hundredth if necessary.
A. 270 in.2
B. 182 in.2
C. 170 in.2
D. 121 in.2
Answer: A
Mathematics
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Find the area of the specified region.Inside the cardioid r = ?(1 + sin ?), ? > 0
A. 
B. 
+ 2?2
C. 2??
D. 
- 2?2
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Evaluate the indicated function with the given information.Find cos 2x if sin x = 
(in second quadrant).
A. 
B. - 
C. - 
D. 
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Plot the complex number in the complex plane.4 + i 
A. 
B. 
C. 
D. 
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Solve the problem.An employee was paid $21,461 during the first half of last year. During the second half he was paid $30,224. How much more was his income during the second half?
A. $8863 B. $8763 C. $51,685 D. $51,785
Mathematics