Given a group of students: 
or 
list and count the different ways of choosing the following officers or representatives for student congress. Assume that no one can hold more than one office.A president, a secretary, and a treasurer, if the president must be a woman and the other two must be men
A. BAC, BAE, BCE, DAC, DAE, DCE; 6
B. BAC, BAE, BCE, DAC, DAE, DCE, BCA, BEA, BEC, DCA, DEA, DEC; 12
C. BAC, BAE, DAC, DAE; 4
D. ABD, CBD, EBD; 3
Answer: B
Mathematics
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Find the indicated derivative.Find y ''' if y = 6x sin x.
A. y ''' = 6x cos x + 18 sin x B. y ''' = - 6x cos x + 18 sin x C. y ''' = - 6x cos x - 18 sin x D. y ''' = 12 cos x - 6x sin x
Mathematics
Find the product, AB, if possible.A = 
, B = 
A. AB is not defined.
B. 
C. 
D. 
Mathematics
Solve.If a volleyball player makes A kills in B attempts, her kill percentage is defined to be 
. Find the kill percentage of a player who made 8 kills in 16 attempts.
A. 
B. 2
C. 1
D. 
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Determine which purchase has the lower unit price.Brand A: 31 oz for $10.23Brand B: 4 lb, 2 oz for $19.14
A.
| Brand B |
B. Not enough information
C. Equal value
D. Brand A
Mathematics