I'd like some help, thanks!

For the tree shown on the right: a) Give the root node _________ b) Give the leaf node(s) of the tree. _________ c) Give the right child of the node b. _________ d) What are the node(s) at level 1 ? _________ e) How many levels are in the tree? _________ f) What is the out degree of node b ? _________ g) What is the out degree of node e ? _________ h) What is the out degree of the tree? _________ i) Which node is the parent of node e ? _________ j) Which node is the grandparent of node f ? _________ k) Give the node in the right subtree of node A _________