Answer the ones who have the circle's thanks! 10 points and brainiest answer ASAP!

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now

More than 450450 students traveled to a state park for a field trip. the school allowed 66 students to travel by car, and the rest traveled on 1111 buses, each of which held the same number of students. if there were ss students in each bus, which inequality best represents this situation?