Solve the system using Gaussian elimination.-3x - 3y - z = -46 x - 3y + 8z = -9 9x + y + z = 72
A. {(7, 1, 8)}
B. {(7, 8, 1)}
C. ?
D. {(-7, 8, 14)}
Answer: B
Mathematics
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Graph the equation in the rectangular coordinate system.y + 3 = 0
A. 
B. 
C. 
D. 
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Factor completely.36 - y2
A. (6 - y)2 B. (6 - y)(6 + y) C. (6 + y)2 D. (y - 6)(y + 6)
Mathematics
Provide an appropriate response.True or false? The solution of the equation 7y - 6 = 7y + 3 is 0.
What will be an ideal response?
Mathematics