help my by answering a b c d because I am not sure which one I did get wrong. thank you

Question 6 Not yet answered Marked out of 100 P Flag question If we want to make the following tree become balance 14 16 2 6 11 10 Which node will be the root? Ob 10 Oc 14 od n Question 5 Not yet answered Marked out of 100 P Flag question How to make the following tree become balanced tree? 9 3 5 a Rotate to the right direction on node 3, and rotate to the loft direction on node 5. ob Rotate to the right direction on node 3, and rotate to the right direction on node 5, c Rotate to the left direction on node 3, and rotate to the left direction on node 5. d. Rotate to the left direction on node 3, and rotate to the right direction on node 5, Question Not yet answered Marked out of 100 P Flag question Given following unbalanced tree: Which nodes are causing the tree to be unbalanced? a 6,9, and 10 b. 3,6 and 9 C5, 6 and 10 d. 8, 9 and 10 Question 8 Not yet answered Marked out of 100 P Flag question Given following data: 78 106 11 9. If we insert those data one by one, what is the final output of balanced tree? O a. VO b. 3 6 10 9 10 Question Not yet answered Marked out of 1.00 P Flag question Given following unbalanced tree: 50 17 (76 (23 54 14 19 (72 12 67 Which nodes are causing the tree to be unbalanced? a 9 b. 76 C72 1 d. 50 e 23 f 54 g. 17 Question 10 Not yet answered Marked out of 1.00 P Flag question Which of the following trees is a balanced tree? 50 30 70 20 35 60 80 15 25 40 55 10 b. 12 18 11 17 5 4 6 3 7 2