An excellent swimmer is confident he can judge his speed in the water exactly. he bets he can swim two lengths of a 50-meter olympic size pool at an average speed of precisely 2 meters per second. on his first lane he is a little bit slow and ends up going at 1.5 meters per second. which average speed does he have to reach on his second lane to win the bet?

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.