Solve the system. x + y + z = 2 x - y + 2z = -15x + y + z = -2
A. (-1, 2, 1)
B. (1, 2, -1)
C. (1, -1, 2)
D. No solution
Answer: A
Mathematics
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+ 
+ 
+ 
+ . . .
A. 
B. 
C. 
D. 
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Multiply by moving the decimal point the appropriate number of places to the right.2.727 × 10
A. 2.7270 B. 0.2727 C. 27.27 D. 272.7
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Find the equation of the graph.
A. y = 3x - 4
B. y = 
x + 3
C. y = -3x - 4
D. y = 
x - 4
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Use the given information to find the quadrant in which ? lies.cot ? < 0 and cos ? > 0
A. Quadrant III B. Quadrant II C. Quadrant I D. Quadrant IV
Mathematics