Simplify.
A. 
B. -7b
C. - 
D. 
Answer: C
Mathematics
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For the compound inequality, give the solution set in both interval and graph forms.12x - 8 < 4x or -2x ? -6
A. ?
B. (-?, 1) ? [3, ?)
C. (1, 3]
D. (-?, ?)
Mathematics
Solve the problem.Six people from different occupations were interviewed for a survey, and their annual salaries were as 
and
What is the median annual salary for the six people?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
(
+ 4
)
A. 
- 44
B. 
+ 44
C. 
- 4
D. 
+ 4
Mathematics
Solve the system of equations by Gauss-Jordan elimination.
A. 
B. 
C. 
D. ?
Mathematics