Given matrix A, find the indicated cofactor.Find A21.A = 

A. -11
B. 11
C. 2
D. -2


Answer: A

Mathematics

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Answer the question.f(x) = Does  f(x) exist?

A. No B. Yes

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Compute the slope of the line segment determined by the given pair of points.X(8, 6), Y(8, -2)

A. Undefined
B. 0
C.
D.  

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Simplify.|-63|

A. -63
B.
C. 63
D. 0

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For the given whole number, determine the place value of the digit 3.30,542

A. tens B. thousands C. ten-thousands D. hundred-thousands

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