The exact volume is ___ pi cm^3

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

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 are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)