Determine the real solutions to the system of nonlinear equations.x2 - 2y2 = 23x2 + 2y2 = 14

A. (2, 1), (-2, -1)
B. (1, 2), (-1, 2), (1, -2), (-1, -2)
C. (-1, 2), (1, -2)
D. (2, 1), (2, -1), (-2, 1), (-2, -1)


Answer: D

Mathematics

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Calculate using proper order of operations.0.4 + (3.35 + 0.65) ÷ 0.008 × 0.4

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