Solve using the elimination method. Use a graphing calculator to check your answer.0.5x + 0.2y = 1.7  x - 0.1y = 2.9

A. (0.3, 0.1)
B. (1, 3)
C. (3, 1)
D. No solution

Answer: C

Mathematics

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A.
B.
C. (-12, 12, -12)
D. (12, -12, 12)

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A. (-2, -5) B. (5, -2) C. (5, -5) D. (-2, 5)

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Solve.On a map, 1 in. represents 120 miles. How much does   in. represent?

A. 72 mi B. 62 mi C. 200 mi D. 82 mi

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Find the slope and the y-intercept.y = 5x

A. m = -5; (0, 0) B. m = 5; (0, 0) C. m = 0; (0, 5) D. m = 0; (0, -5)

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