Solve the system of equations.
A. x = 0, y = 0, z = 1
B. x = 3, y = 1, z = 0
C. inconsistent (no solution)
D. x = 0, y = 1, z = 0
Answer: C
Mathematics
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A. (7x + 3)2 B. (7x - 3)2 C. (7x + 3)(7x - 3) D. (49x + 9)(x + 1)
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Factor the four-term polynomial by grouping.xy + 10x - 5y - 50
A. (y - 10)(x + 5) B. (x + 10)(y - 5) C. (y + 10)(x - 5) D. (x - 10)(y + 5)
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Find the derivative.f(x) = ln (e5x - 4)
A. 
B. 
C. 
D. 
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Find the derivative.y = 
A. 
B. 
C. 
D. x ex
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