Solve the system of equations.x - y + 4z = -5-2x + 2y - 8z = -2x + 4y + z = 10
A. {(0, 3, -2)}
B. {(-2, 3, 0)}
C. ?
D. {(-2, 0, 3)}
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the discount date and net payment date. (The net payment date is 20 days after the final discount date.)Invoice date: Aug 8Terms: 2/15 ROGGoods received: Oct 10
A. Discount date: Oct 15; net payment date: Nov 15 B. Discount date: Oct 25; net payment date: Nov 14 C. Discount date: Oct 25; net payment date: Nov 15 D. Discount date: Sept 15; net payment date: Oct 15
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Prove:
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Graph the inequality.
+ 
? 1
A. 
B. 
C. 
D. 
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