2. the data shows the nfl team payrolls in millions of dollars for specific year construct a relative frequency distribution including the midpoints and boundaries for the payroll using seven classes

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Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

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.