Solve the system of equations.

A. (6, 9), (-6, 9), (6, -9), (-6, -9)
B. (6, 9), (9, 6), (-6, -9), (-9, -6)
C. (-6, -9), (-9, -6)
D. (6, -9), (6, 9)

Answer: A

Mathematics

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