Solve using matrices. x + y + z - w = 9 w + x + y - z = 1 2x + 3y + z + w = 183w - x + y + 2z = 12
A. (0, 3, 0, 2)
B. (1, 3, 2, 5)
C. (2, 3, 5, 1)
D. (3, 2, 1, 5)
Answer: B
Mathematics
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A. 3
B. 
C. 9
D. 
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Provide an appropriate response.Find the mean of the following (round to nearest tenth): 65, 45, 36, 22, 70
Fill in the blank(s) with the appropriate word(s).
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Evaluate the integral.
A. - 
B. 
C. 
- 
D. 
+ 
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Add.+ 
A. 324.42 B. 324.52 C. 323.42 D. 323.52
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