Hello guys plz help me with this question, plz show me the working so i know how you did it, THANK YOU!

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees. (10 points)

Answer these questions showing your work plz