Solve the system by substitution. -4x + 8y = 56 x + 7y = 49

A. No solution
B. (0, 7)
C. (1, 6)
D. (-7, 0)

Answer: B

Mathematics

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A. -26 B. 10 C. 26 D. -10

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Find the general solution for the differential equation. = 9x2

A. y =  + C
B. y = 3x3 + C
C. y = 9x3 + C
D. y = x3 + C

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Solve the inequality. Graph the solution set and write the solution set in set-builder notation.(x + 5)(x + 2)(x - 7) > 0

A. {x}

B. {x}


C. {x}

D. {x}

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