What is the value of 3n-1 when n 20?​

3(10x-y)-5(x-y^2) need this solved asap

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?

Select the two pairs of figures that are similar.