Write the augmented matrix for the system of equations.x - 4y + z = 15 y + 8z = 11 z = 14
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the equation.y = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find -x when x is -1.5731
A. -1.5731
B. 1.5731
C. 
D. 0
Mathematics
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.cos 3x cos x + sin 3x sin x = 0
A. 
, 
, 
, 
B. 
, 
C. 
D. 
, 
, 
Mathematics
Solve the absolute value equation.|x + 2| = |8 - x|
A. ?
B. 3
C. - 
D. 6
Mathematics