Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 

A. 8? - 16 square units
B. 4?- 4 square units
C. 16 square units
D. 4?- 16 square units


Answer: A

Mathematics

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Solve. Use ? = 3.14 and round your answer to the nearest hundredth.A manhole cover has a diameter of 24 in. What is the length of the brass grip-strip that encircles the rim of the cover making it easier to manage?

A. 37.68 in. B. 452.16 in. C. 75.36 in. D. 150.72 in.

Mathematics

Provide an appropriate response.Write 12 as an improper fraction.

A.
B.
C.
D.

Mathematics

Solve the proportion. = 

A.
B.
C.
D.

Mathematics

Perform the indicated operations and simplify. 

A.
B.
C.
D.
E.

Mathematics