What does median mean

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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?

What value of x is in the solution set of 4x – 12 s 16 + 8x?