The amount of money that is left in a medical savings account is expressed by the equation mc022-1.jpg, where x represents the number of weeks and y represents the amount of money, in dollars, that is left in the account. after how many weeks will the account have $67 left in it?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.