What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
Answer: C
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Color the map with four colors. No two areas with a common border can have the same color.
What will be an ideal response?
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the critical-path algorithm to schedule this project with two processors, the project finishing time is
A. 17 hours. B. 20 hours. C. 19 hours. D. 18 hours. E. none of these
In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
Suppose there is a crossing charge of $1.00 every time one crosses a bridge. A tourist wants to start on the South Bank, stroll across each of the bridges at least once, and return to her hotel on the South Bank at the end of the trip. What is the cheapest possible cost of such a trip?
A. Such a trip is impossible. B. $18 C. $9 D. $10 E. none of these
Solve the problem.The Family Fine Arts Center charges $24 per adult and $14 per senior citizen for its performances. On a recent weekend evening when 442 people paid admission, the total receipts were $7288. If a represents the number of adult that attended, and s represents the number of senior citizen that attended, determine the number of senior citizens that attended by solving the following system of equations. 
A. 110 senior citizens B. 332 senior citizens C. 200 senior citizens D. 242 senior citizens