Consider the following B-tree of order 5. Show the final B-tree after deletion of key 7. +25 (15 10 X 1 2833 2 || 4 7 8 ||||1114 26 27 30||32 3538 Show insertion of key 32 into the following AVL Tree. 25 17 35 12 19 31 37 15 27 (33 Show insertion of key 12 into the following AVL Tree. 15 7 25 2 19 5 10