The following questions refer to the tree of Figure 7.3.

Data from in 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?

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grades cs016/ homeworks/ /user/rt/courses/ programs/ hw1 hw2 hw3 pr1 pr2 pr3 cs252/ projects/ papers/ grades demos/ buylow sellhigh market