Solve the system of equations. x + y + z = 2 x - y + 3z = 142x + y + z = 0
A. (5, -1, -2)
B. (5, -2, -1)
C. (-2, -1, 5)
D. (-1, -2, 5)
Answer: C
Mathematics
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A. 1 B. 32? C. 16? D. 8?
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Solve the problem using a known formula.The width of a room is 9 feet, and the area of the room is 117 square feet. Find the room's length.
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B. 13 ft
C. 1053 ft
D. 49
ft
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Evaluate the expression.
- 4
A. 45 B. 3 C. 53 D. 11
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