please answer a-h i need fast,please

QUESTION 2 Answer these question about the rooted tree illustrated. m a) What is the height of the rooted tree? b) What is the level of vertex k? c) Which vertices are internal? d) Which vertices are leaves? c) Which vertices are ancestors of p? 1) Which vertices are descendants of b? g) Draw the subtree of the tree that is rooted at g h) Determine the order using the postorder traversal