Find the highest common factor (HCF) of 84 and 120

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Given abcd ac=38 and ae=3x+4 find the value of x