Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 8x - 6y - 2z = -307w + 6x - 9y - 2z = -388w + 8x + 7y + 3z = 17-6w - 2x + 8y + 8z = 18
A. (2, 3, -4, -2)
B. (2, -3, 4, -1)
C. (-1, 4, -5, 2)
D. No solution
Answer: B
Mathematics
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Solve the problem. Round your answer to two decimal places if necessary.What is 81% of 126?
A. 10.21 B. 1,020.6 C. 10,206 D. 102.06
Mathematics
Perform the indicated operation. Simplify if possible.
+ 1
A. 
B. 
C. 
D. 
Mathematics
Find the solutions to the system of equations by the addition method.0.04x - 0.03y = 0.30.08x - 0.03y = 0.42
A. (2, -5) B. (-3, 6) C. (3, -6) D. (3, -5)
Mathematics
Match the equation with its graph.y = 2 ? 2x
A. 
B. 
C. 
D. 
Mathematics