Use Cramer's rule to solve the system of linear equations. 8x - 7y = -63 4x + 4y = 36

A. (-9, 0)
B. (0, -9)
C. (9, 0)
D. (0, 9)

Answer: D

Mathematics

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A. [0, ?) B. (-?, ?) C. (-?, 0) D. (0, ?)

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Evaluate the expression by hand.-1/2 + -3/2

A. - 
B. 9
C. - 
D. 69

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For the pair of functions, determine the domain of f + g.f(x) = 3x + 4, g(x) = 

A. (-?, -2) or (-2, ?) B. (-?, ?) C. (-?, -10) or (-10, ?) D. (0, ?)

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Simplify. ?  ? 

A.
B.
C.
D.

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