8. A study found that 72% (0.72) of people wear their seat belts? If three people are selected at random, what is the probability that all three people wear their
seat belts?

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?