What is the value of the expression |-20 + 5|?

Which is the completely factored from of xy^3-x^3y

If you answer right ill give brainliest, : )

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?