While exercising adam jogged 4 4/5 kilometers and walked 2 3/5 kilometers. what is the total distance he traveled

What numbers are included in the set of integers? what numbers are not included?

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. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?