Solve.The discus is thrown from a circular region 8 feet 3 inches in diameter. What is the area of the circle (in square inches)? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 3846.9 sq in.
B. 30,775.1 sq in.
C. 7693.8 sq in.
D. 310.9 sq in.
Answer: C
Mathematics
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Perform the indicated operations and simplify.
?
?
A. 
B. 
C. 
D. 
E. 
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Mathematics