In Math 30-3 class at centre high, the course evaluation consists of exams, quizzes, and a review project. Exams are weighted at 75% quizzes at 10% and the review project at 15%. Billy has a mark of 62% on exams, 85% on quizzes, and 74% on review project. What is his final grade in this Course 30 POINTS!!!

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.