Mary says the pen for her horse is an acute right triangle. is it possible? explain

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?

Which of the following is the rational exponent expression of 6 root f

Pls , the question is in the picture!