Consider the following graph, answer the following questions 10 Select one: a. The in-degree of node 3 is 3, while the out-degree of node 9 is 3. b. The in-degree of node 3 is 6, while the out-degree of node 9 is 2. The in-degree of node 3 is 4 while the out-degree of node 9 is 2. od The in-degree of node 3 is 1, while the out-degree of node 9 is 1