Use the Gauss-Jordan method to solve the system of equations. x - y + z = 8 x + y + z = 63x + y + 3z = 10
A. (4, 0, 4)
B. (5, 3, 6)
C. (-2, 1, 9)
D. No solution
Answer: D
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Use the quadrilaterals below to solve the problem.
Which of the quadrilaterals shown is not a parallelogram? Name this quadrilateral. 
Fill in the blank(s) with the appropriate word(s).
Classify the absolute value equation as being a contradiction with no solution or as having two solutions.-3
- 25 = 2
A. Two solutions B. Contradiction
Translate to an algebraic expression using the variable, x.Seventy-nine less than two times a number
A. 79x - 2 B. 79 - 2x C. 2x - 79 D. 2 - 79x
Solve the problem.Regrind, Inc. regrinds used typewriter platens. The cost per platen is $1.60. The fixed cost to run the grinding machine is $246 per day. If the company sells the reground platens for $4.60, how many must be reground daily to break even?
A. 153 platens B. 54 platens C. 39 platens D. 82 platens