Problem
The following questions refer to the tree of Figure 7.3.
a. Which node is the root?
b. What are the internal nodes?
c. How many descendents does node cs016/ have?
d. How many ancestors does node cs016/ have?
e. What are the siblings of node homeworks/?
f. Which nodes are in the subtree rooted at node projects/?
g. What is the depth of node papers/?
h. What is the height of the tree?