Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 8 members?
A. 1680
B. 32
C. 70
D. 24
Answer: A
Mathematics
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Evaluate the integral.
dx
A. 
+ ln
- 
+ C
B. 
+ ln
+ 
+ C
C. 
+ 
+ C
D. (x + 4)2 tan-1 3x + ln
+ 
+ C
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the probability.A card is drawn from a deck of 52 cards. What is the probability that it is a numbered card (2-10) or a heart?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In a survey, people are asked to rank 8 issues such as the economy and the environment in order of importance. Replies are filed in folders, and two replies are put in the same folder if and only if they give the same ranking to all 8 issues. Find the maximum number of folders that might be needed.
A. 8 B. 64 C. 362,880 D. 40,320
Mathematics