Solve the system.
A. x = 1, y = -24, z = 8, w = -2
B. x = 1, y = -4, z = 4, w = -1
C. x = 1, y = -4, z = 16, w = -1
D. x = 6, y = -24, z = 16, w = -6
Answer: B
Mathematics
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A. 8 mi B. 2 mi C. 6 mi D. 4 mi
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Remove the parentheses and simplify, if possible.(6x8 - 9x4 + 7x2 + 8) + (6x7 + 3x4 - 8x)
A. 6x8 + 6x7 - 6x4 + 7x2 - 8x + 8 B. 12x8 - 12x4 + 7x2 - 8x + 8 C. 6x8 + 6x7 + 6x4 + 7x2 - 8x + 8 D. 12x8 - 6x4 + 7x2 - 8x + 8
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Evaluate using the correct order of operation.
+
2- 
A. 3
B. 5
C. 3
D. 2
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The total area for a regular octahedron is 
. Find the length of each edge of the octahedron.
A. 4 cm B. 8 cm C. 12 cm D. None of These
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