Ana has at most 20 tokens to use for 4 games of darts and 5 games of bowling. chris has at most 30 tokens to play 5 games of darts and 6 games of bowling. let x represent the dart games and let y represent the bowling games. graph the system of linear inequalities to represent all the possible combination of games the two could play with their allotted tokens.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.