I don’t understand please help

Find the quotient. 50a2 – 98b2 -5a +7b

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.