Simplify. Assume that all variables represent positive real numbers.7
- 5
A. 18
B. 2
C. -18
D. 7
- 5
Answer: C
Mathematics
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Simplify.
A. - 
B. 
C. 
D. 
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Graph the first-degree inequality in two unknowns.
?
?
A. 
B. 
C. 
D. 
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Solve the problem.The psychology lab at a college is staffed by 5 male doctoral students, 10 female doctoral students, 12 male undergraduates, and 6 female undergraduates. If a person is selected at random from the group, find the probability that the selected person is an undergraduate or a female.
A. 
B. 
C. 
D. 
Mathematics