Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. B is incident from D, E, and A; C is incident to E and A and incident from D; E is incident to D and incident from A.How many cycles are there in the digraph that start and end at B?
A. 1
B. 2
C. 0
D. 3
E. none of these
Answer: C
Mathematics
You might also like to view...
Provide an appropriate response.A pet shop has a total of 15 dogs and birds. Altogether there are 42 feet. How many dogs are there and how many birds?
A. 7 dogs and 8 birds B. 6 dogs and 9 birds C. 8 dogs and 7 birds D. 5 dogs and 10 birds
Mathematics
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 324 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 6561 ft2 B. 13,122 ft2 C. 19,683 ft2 D. 26,244 ft2
Mathematics
P(1 ? X ? 3); X is Normal (5, 4).
Find the probability for the given random variable.
Mathematics
Solve and graph.
? 5 
A. x > 10
B. x < 10
C. x ? 10
D. x ? 10
Mathematics