Kevin delivers newspapers in his town every morning. the amount he earns from delivering newspapers is given by y = 30x + 18, where y is the amount he earns in cents and x is the number of houses he delivers newspapers to. however, he is paid a certain amount even if he doesn't deliver any newspapers on a certain day. how much is he paid if he doesn't deliver any newspapers? (x 0, y 0)

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.