Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 12012y - 12x = 24
A. (-12, 10), (10, -12)
B. (12, 10), (-10, -12)
C. (-12, -10), (10, 12)
D. no real solution
Answer: C
Mathematics
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Perform the indicated operation.
- 
A. - 
B. 
C. -7
D. - 
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? 1
A. [3, 11]
B. (-?, 3] ? [11, ?)
C. (3, 11)
D. ?
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