Pls pls pls help w these 2 questions for algebra, they are simple

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

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?

It says factor each expression completely 8y+48