Simplify the expression. Assume that all variables are positive when they appear.
- 4
+ 2
A. -2
B. -2
C. -7
D. -7
Answer: D
Mathematics
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A. ln + cos t + C
B. ln - sin t + C
C. ln + sin t + C
D. ln - sin t + C
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A.
B.
C.
D.
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Solve the problem.How many ways can a committee of 5 be selected from a club with 10 members?
A. 100,000 B. 252 C. 50 D. 30,240
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