Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 3, y = 1, z = 2; (3, 1, 2)
B. x = -3, y = 2, z = 6; (-3, 2, 6)
C. x = 3, y = 2, z = 1; (3, 2, 1)
D. inconsistent
Answer: C
Mathematics
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A. - 
B. - 
C. - 
D. - 
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Which of the following is a possible representation for the graph with the given edges.QR, RS, RT, and SS
A. 
B. 
C. 
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Write an equation of the line with the given slope, m, and y-intercept (0, b).m = - 
, b = 9
A. y = - 
x + 9
B. y = 
x + 9
C. y = - 
x - 9
D. y = 
x - 9
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Add or subtract as indicated. Write the answer in simplest form. 
+ 
A. 
B. 
C. 1
D. 
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