Solve the problem.The following directed graph shows how rumors spread among six neighbors: Carl, Dennis, Tammy, Wade, Sandra, and Florence. Which neighbor(s) could start a rumor that could eventually spread to all the others? 
A. Florence, Tammy, Wade, and Sandra
B. Dennis
C. All neighbors
D. Carl
Answer: D
Mathematics
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The bar graph shows the percentages of health clubs in a large city that offer the service listed on the left. Use the graph to answer the question. 
Estimate the percentage of health clubs in this city that offer body fat testing.
A. 4% B. 11% C. 8% D. 14%
Mathematics
Find the distance between the pair of points.(4, 5) and (-1, -4)
A. 
B. 
C. -4
D. 45
Mathematics
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 9 miles per hour. In how many hours will they be 57 miles apart?
A. 4 hr B. 5 hr C. 1 hr D. 3 hr
Mathematics