Solve the system of equations.
A. x = 3z + 5
y = z - 2
z = any real number
B. x = -3z - 5
y = z + 2
z = any real number
C. inconsistent (no solution)
D. x = z - 2
y = -3z - 5
z = any real number
Answer: B
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, 
A. 
B. 
C. 
D. 
Change to the measure indicated.832 milligrams to kilograms
A. 83,200 kg B. 0.000832 kg C. 832,000 kg D. 0.0832 kg
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 4x3 + 125x + 500
A. (x + 4)(x + 5)(x2 - 5x + 25) B. (x + 4)(x3 + 125) C. Prime D. (x + 4)(x - 5)(x2 + 5x + 25)
Solve the inequality. Describe the solution set with interval notation.x - 3 < 9
A. (-?, 12] B. (12 , ?) C. (-?, 12) D. [12, ?)