Can someone help me with number 3 and 4 plz!:(

Name the most appropriate metric unit for each measurement like a length of an carrot

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?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =