does anyone have the answers to "gina wilson's 2015 congruent triangle proofs peel and stick activity" i tried looking it up and it cost 3 dollars and im lowkey broke

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?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Josephine has a great garden with and area of 2x2 + x - 6 square feet