1) We would like to delete the root nade in the tinary tree above. Which one is the correct answer after deletion (20p) ? 2) Let the sequence 35789121525 he given We are searching tor the number "15"What number wal be tye key ingrep 3 with the binary search algorithm (15pl? a) 15 b) ch d) 25 el 9 3) What is the complexity of the problem given in quention 3 ? (Remember our lastlecturel) (30p) a) 3 b) log3 c) log3 d) loge a e e) log:8. 4) Lat the sequence 137105924 be given. With the insertion sort algorthm, when we have 3 cards in our left hand, which anes will they be, respectively (20p) ? a) 137 b) 1097c)124d123el1710 5) A priarity queve is given below. We would likn to add the letter F with priarity 3 . Where can we insent? (15p) a) After F,b ) berween A and BC) between (andD d) between B and C e) before A