Question: 2x + y - 3z = 2 Use this system to answer questions 27-28: 4x - 3y +6z = 9. -2x - 2y + 9z

2x + y - 3z = 2 Use this system to answer questions 27-28: 4x - 3y +6z = 9. -2x - 2y + 9z = 7 27. What is the value of the determinant D ? a. -24 b. -80 C. -18 d. -156 28. What is the value of the determinant D.? a. -36 b. -80 C. -18 d. -78

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