Convert these phrases to numerical expressions and solve. Fifteen minus three to the power of two

Find the sum of the following series. round to the nearest hundredth if necessary.

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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?