Can someone help me with these to problems

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 is the solution to the equation below? 3/x-2+6=square root x-2 +8

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?