Use Cramer's rule to solve the system.4x + 3y - z = 31 x - 3y + 2z = -54x + y + z = 29
A. {(7, 6, 7)}
B. {(5, 5, 6)}
C. {(4, -7, -6)}
D. {(4, 7, 6)}
Answer: D
Mathematics
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A. Yes B. No
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A. 
B. 
C. 
D. 
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Find the volume of the figure. If necessary, round the answer to the nearest whole number.
A. 420 m3 B. 29,400 m3 C. 1319 m3 D. 1260 m3
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Solve.?8x + 9? < 20
A. 
B. 
? 
C. 
D. (-?, 8)
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