Write the system of equations associated with the augmented matrix. Do not solve.
A. x = -8
y = -9
z = 5
B. x = 0
y =-17
z = -3
C. x = 8
y = 9
z = -5
D. x =-13
y =-14
z = 0
Answer: A
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A. 16,559.2 oz B. 18.94 oz C. 15,876 oz D. 19.75 oz
Graph the circle whose radius is r and whose center is (h, k). r = 2; (h, k) = (2, 1)
A. 
B. 
C. 
D. 
Solve the equation.3(c - 6) = 4c - 12
A. c = 3 B. c = 6 C. c = -6 D. c = -3
Rewrite the system of inequalities, adding slack variables or subtracting surplus variables as needed.15x1 + 3x2 ? 5312x1 + 6x2 ? 65
A. 15x1 + 3x2 + s1 = 53 12x1 + 6x2 + s2 = 65 B. 15x1 + 3x2 + s1 = 65 12x1 + 6x2 - s2 = 53 C. 15x1 + 3x2 - s1 = 53 12x1 + 6x2 + s2 = 65 D. 15x1 + 3x2 + s1 = 53 12x1 + 6x2 - s2 = 65