(it wont ley me put 2 pictures so the question to this problem is) what is the longest name length? (i mark brainlist) :)

Which system of linear inequalities is represented by the graph?

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?

Need solving this 2nd limit problem.