Solve the problem.If n(A) = 41, n(B) = 43, and n(A ? B) = 77, find n(A ? B).
A. 84
B. 14
C. 70
D. 7
Answer: D
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Solve the problem.In the following voter profile, use the Hare Method to determine the winner. If candidate d drops out, and a second election is held, who is the winner if the Hare Method is again used? Does the Hare Method violate the Independence of Irrelevant Alternatives Criterion in this election process? 
A. c; c, no B. b; b, no C. b; c, yes D. c; b, yes
Refer to this figure to answer the question.
What are the endpoints on 
?
A. E B. D and E C. D D. None
Provide an appropriate response.A set of data consists of the number of years that applicants for foreign service jobs have studied German and the grades that they receive in a proficiency test in that language. The following linear model is obtained: 
where x represents number of years of study and y represents grade in test. What does the slope of the model represent in terms of the grades on the test?
What will be an ideal response?
Find the area of the triangle. Approximate values to the nearest tenth when appropriate.
A. 1120 cm2 B. 392 cm2 C. 560 cm2 D. 448 cm2