(100+4z) 20? What is the answer?

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Find the vertex of the function given below y=x^2-6x+1

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?