Add or subtract the rational numbers. Express the sum or difference as a rational number in lowest terms.- 
- 
A. - 1
B. - 
C. - 
D. - 
Answer: D
Mathematics
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Express as a single logarithm.5logcm - 
logcn + 
logcj - 4logck
A. logc
B. logc
C. logc
D. logc
Mathematics
Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
f(x) ? 0
A. [-4, ?) B. [-5, ?) C. (-?, -5] D. (-?, -4]
Mathematics
Solve the problem.Find an ordered pair that satisfies the equation 2x + y = -10 by letting x = -9.
A. (-9, -9) B. (8, -9) C. (-9, -8) D. (-9, 8)
Mathematics
Solve the rational inequality.
? 0
A. {8} B. (-?, 8) ? (8, ?) C. (-?, ?) D. ?
Mathematics