Can someone please help me with 4 questions

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9