Math problem need help give 5 stars and good rating if do

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?

Ineed with number 6 , explain how to get 1978

Factor the polynomial expression x6 – x3 – 20