Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair. 5x + y = 27 6x + 2y = 30
A. (6, -6)
B. (-3, 6)
C. (6, -3)
D. (-3, -6)
Answer: C
Mathematics
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Solve the system by the addition method.
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Mathematics
Sketch the graph of the equation.
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A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the range of the data set.18, 22, 61, 42, 57, 73
A. 42 B. 91 C. 55 D. 45.5
Mathematics
Convert to fraction notation.2
A. 
B. 
C. 
D. 
Mathematics