2. What is the maximum possible height of a binary search tree with 40 nodes? And what is the minimum possible height of a binary search tree with 40 nodes? What is the maximum number of nodes in a binary search tree of height 5? What is the average case time complexity of deleting a node from a binary search tree of size m? What is the worst case time complexity of inserting a node to a binary search tree of size m? (5 points)