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.
The number of vertices of odd degree in the graph that models this problem is
A. 18.
B. 16.
C. 14.
D. 20.
E. none of these
Answer: D
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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. A' - C
A. {q, s, u} B. {q, s, u, v, x, z} C. {v, x, z} D. {r, t}
A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).How many passwords do not contain the uppercase letter O, the lowercase o, or the number 0?
A. 59 × 58 × 57 ×56 B. 62 × 25 × 25 × 9 C. 624 - 3 D. 594 E. none of these
Find the probability of the event.A 6-sided die is rolled. What is the probability of rolling a number less than 3?
A. 
B. 
C. 
D. 
Find the area of the region bounded by the given curves.
