Solve by elimination.-6x + 6y = -112x - 12y = 2
A. No solution
B. Infinite number of solutions
C. (-6, 6)
D. (6, -6)
Answer: B
Mathematics
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Solve.If the alternator-to-engine drive ration is 3.32 to 1, what rpm will the alternator have when the engine is idling at 515 rpm's? (Round to the nearest rpm.)
A. 163 rpm's B. 155 rpm's C. 1710 rpm's D. 1701 rpm's
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Find the perimeter of the figure.
A. 64 cm B. 128 cm C. 89 cm D. not enough information given
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Solve.42x + 6x2 = 0
A. -6, -7 B. -7 C. 0, -7 D. -21
Mathematics
Perform the indicated operation.Add (n8 - 18) to the difference between (7n7 - 9n6 - 5) and 
A. -26n13 B. n8 + 4n7 - 27n6 - 3 C. n8 + 4n7 - 27n6 - 43 D. n8 + 4n7 - 6n6 - 43
Mathematics