Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.y = - 
x-2x + 6y = 6
A. 
B. 
C. ?; inconsistent system
D. 
Answer: D
Mathematics
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Find the second derivative.y = 3x3 - 6x2 + 5
A. 18x - 12 B. 12x - 12 C. 12x - 18 D. 12x - 12
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Reduce the rational expression to lowest terms.
A. 
B. -1
C. 1
D. - 
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Find the odds.Find the odds against correctly guessing the answer to a multiple choice question with 5 possible answers.
A. 4 : 5 B. 5 : 1 C. 4 : 1 D. 5 : 4
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Multiply.0.541 × 0.001
A. 0.0000541 B. 0.000541 C. 541 D. 0.00541
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