Use the Gauss-Jordan method to solve the system of equations. 2x - y - 5z = -39-8x + 5y - 3z = -43-2x - 9y + z = -77
A. (-7, 8, 14)
B. (7, 9, 8)
C. (7, 8, 9)
D. No solution
Answer: C
Mathematics
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If possible, find the slope of the line passing through the two points.(9, 0), (0, 8)
A. - 
B. - 
C. 
D. 
Mathematics
Graph the inequality.y ? x2 - 1
A. 
B. 
C. 
D. 
Mathematics
Refer to the figure with X the midpoint of side 
, Y the midpoint of side 
, XY = 5x- 4, and MO = 8x+16.
Find x.
(a) 112 (b) 56 (c) 12 (d) 6
Mathematics
Translate to a proportion and solve. 285 is what percent of 1520?Round your answer to the nearest tenth of a percent.
A. 0.2% B. 533.3% C. 57% D. 18.8%
Mathematics