I don't get it. Explain please!

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

In the diagram below,abc is congruent to dec what is the value of x