Solve the problem.The diameter of a discus is about 8.65 in. What is the area of one flat surface of a discus? Use 3.14 for ?. Round your answer to the nearest hundredth of a unit.
A. 27.16 in2
B. 29.37 in2
C. 234.94 in2
D. 58.74 in2
Answer: D
Mathematics
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Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 
A. 
B. - 
C. - 
D. 
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Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
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Find the prime factorization of the number.165
A. 3 ? 5 ? 11 B. 3 ? 3 ? 11 C. 15 ? 11 D. 5 ? 5 ? 3
Mathematics
Find the absolute value.|-10.8|
A. -10.8 B. 10.8 C. 21.6 D. 0
Mathematics