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.Four representatives
A. ABCD, ABCE, ACDE, ADEB, BCDE; 5
B. ABCD, ABCE, ACDE, ADEB, BCDE, BCEA, BDEA, CABD, CEDB, DACE; 10
C. ABCD, ABCE, ACDE, ADEB; 4
D. ABCD; 1
Answer: A
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Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.~(q ? ~r)
A. True B. False
Use "intersect" on a graphing calculator to solve the equation. Round the solution(s) to the second decimal place.
+ 1 = 3x - 7
A. 2.53 B. 3.27 C. 0.59 D. 2.81
Find an approximation of the area of the region R under the graph of f by computing the Riemann sum of f corresponding to the partition of the interval into the subintervals shown in the accompanying figures. Use the midpoints of the subintervals as the representative points. Round your answer to the nearest hundredth.
?
?
__________ sq units
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Elaine had 20 buttons. Her grandmother donated 10 cards of buttons to the collection. Elaine sorted the buttons into 10 piles, putting 10 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 18 buttons B. 92 buttons C. 8 buttons D. 95 buttons