Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area.
A. 58.1 in.2
B. 27 in.2
C. 14.5 in.2
D. 13.5 in.2
Answer: C
Mathematics
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Solve the problem.Find the average distance from a point 
in the annular region 
to the origin.
A. 
B. 
C. 
D. 
Mathematics
Use a product-to-sum identity to rewrite the expression.cos 2° cos 24°
A. 0.5(cos(-22°) - cos(26°)) B. 0.5(sin(26°) + sin(-22°)) C. 0.5(cos(26°) + cos(-22°)) D. 0.5(sin(26°) - sin(-22°))
Mathematics
Solve the inequality. Write the solution set in interval notation.
< 1
A. 
B. (-?, 8)
C. 
D. 
? 
Mathematics
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S9 = 108, a9 = 16
A. a1 = -120, d = 3.56 B. a1 = -120, d = 1 C. a1 = 8, d = 3.56 D. a1 = 8, d = 1
Mathematics