Simplify. 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the given information to find the exact value of the trigonometric expression.sin ? = 
; The terminal side of ? lies in Quadrant II.
Find tan 2?.
A. 
B. 
C. - 
D. - 
Mathematics
Find the percent. Round to the nearest tenth of a percent, if necessary.What percent of 3222 is 22?
A. 0.7% B. 6.8% C. 16.8% D. 14,645.5%
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. 
Mathematics
The circumference of a circle is 70 m. Find its radius. Use the rules for working with measurements. ?
A. The radius is 4.7 m. B. The radius is 11.1 m. C. The radius is 5.6 m. D. The radius is 22.3 m. E. The radius is 44.6 m.
Mathematics