Courtney school is having a family game night each table has 4 players there are 7 tables in all how many players are at the game night

Don't know how to find x given these segment lengths

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?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2