Solve the problem.All of the 43 members of the swim club compete in either the individual or team events at the upcoming competition. If 20 members compete only in individual events and 17 compete only in team events, how many compete in both team and individual events?
A. 43
B. 26
C. 6
D. 23
Answer: C
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A traveling saleswoman's territory consists of the 6 cities shown on the following mileage chart. The saleswoman must organize a round trip that starts and ends at Memphis (her hometown) and will pass through each of the other five cities exactly once.Mileage Chart
If the saleswoman were to make Denver her hometown, the nearest-neighbor tour would be given by:
A. Denver, Kansas City, Memphis, Atlanta, Houston, Dallas, Denver. B. Denver, Houston, Dallas, Atlanta, Kansas City, Memphis, Denver. C. Denver, Dallas, Houston, Kansas City, Memphis, Atlanta, Denver. D. Denver, Kansas City, Dallas, Houston, Memphis, Atlanta, Denver. E. none of these
Write the compound inequality as an absolute value inequality. Do not simplify.y ? -2 < or y ? 2
A. 
? -2 < or 
? 2
B. 
> 2
C. 
? 2
D. 
? 2
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 5000 in 4 hours, what will it be at the end of 6 hours?
A. 1768 B. 5743 C. 2500 D. 3536
Evaluate.x + 4, for x = 4
A. 0 B. 16 C. 22 D. 8