Add or subtract. Express the answer as a mixed number.16 + 5

A. 21
B. 20
C. 22
D. 16


Answer: A

Mathematics

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Find the area of the specified region.Inside one loop of the lemniscate r2 = 5 cos 2?

A.
B.
C. 5
D. 10

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Divide numerator and denominator by the highest power of x in the denominator to find the limit.

A.
B. does not exist
C.
D.

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Solve the equation.x2 + 9x - 36 = 0

A. 3 or 12 B. 1 or ?12 C. 3 or ?12 D. 12 or ?3

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Rewrite the expression as a sum or difference of logarithms or multiples of logarithms.log11 

A.  log11(13) - 2 log11(y) - log11(x)
B. 5 log11(13) - 2 log11(y) - log11(5)
C. log11(13) - log11(y) - log11(x)
D.  log11(13) - 2 log11(y) - 2 log11(x)

Mathematics