Gary and his friends go to see a movie. gary buys x movie tickets at the rate of $8 per ticket and a tub of popcorn of $5.50. if f(x) is the total amount he spends at the theater, which of the following linear functions models this situation?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?