How far is the point (5,2) from the x axis

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?

Y=4x^2+x-1 solve using quadratic formula

Empty box + box + empty box fill in the box is equal to 30 how