Solve by substitution and check.x + y = 9 y = 2x + 3

A. (7, 2)
B. (2, 7)
C. (3, 6)
D. (1, 9)


Answer: B

Mathematics

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A. w- 24 + 144
B. w- 12 + 144
C. w2- 24 + 144
D. w+ 144

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A. sec2? B. sin ? C. cos3? D. tan2?

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A. 0.15% B. 0.195% C. 0.135% D. 0.265%

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