A city crew must paint the median divider along each of the 48 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
An optimal eulerization of the graph that models this problem can be obtained by adding
A. 12 edges.
B. 8 edges.
C. 6 edges.
D. 16 edges.
E. none of these
Answer: B
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Solve.
= 1 + 
A. {-20, 10} B. {-8, 10} C. {8, -10} D. ?
Work the application and answer with a complete sentence.On the morning of February 2nd the temperature was 10°F. The next morning the temperature had dropped 13°F. What was the temperature on the morning of February 3rd?
A. The temperature on the morning of February 3rd was -23°F. B. The temperature on the morning of February 3rd was -3°F. C. The temperature on the morning of February 3rd was -13°F. D. The temperature on the morning of February 3rd was 23°F.
Write the ratio in simplest form.An athlete ran 24 miles this week, including 15 miles today. What is the ratio of miles run this week to miles run today?
A. 
B. 
C. 
D. 
Divide and simplify to the form a + bi.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
+ 
i