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. ? 

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