Arepairman charges $18 per hour to repair appliances plus $0.27 per mile to drive to the house and
back. it took the repairman 2 hours and 15 minutes to fix the andersen's washing machine, and he drove
21 miles to get to their home. he charged $51.84 for the visit. was the charge correct? if not, why?

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.