Bonjour, je bloque sur cette exercice depuis deux jours, si quelqu'un a une réponse ou des explications je suis preneur, Cordialement

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 ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9