Which is worked out correctly ?​

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse