Solve the system of equations.x + 4y + 2z = 225y + 5z = 40z = 3
A. {(-4, 3, 5)}
B. {(3, 5, -4)}
C. {(-4, 5, 3)}
D. {(5, -4, 3)}
Answer: C
Mathematics
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A. 0
B. 
C. 8
D. 1
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Evaluate.(-6)2
A. -36 B. 36 C. 12 D. -12
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Find the numerical value of the rational expression for the given value of x.
, x = -4
A. - 
B. - 
C. - 
D. 
Mathematics
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (1, -2) B. (3, 1) C. (-2, 1) D. Inconsistent
Mathematics