Provide an appropriate response.Find a polynomial that represents the perimeter.
A. r3 + 4r2 + 10r + 9
B. r3 + 3r2 + 11r + 9
C. 4r3 + 11r + 9
D. 4r3 + r2 + 10r + 9
Answer: A
Mathematics
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Simplify the radical expression by factoring out the largest perfect nth power. - 
A. 5
B. -4
C. 4
D. -3
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