12.the blending of qualitative and quantitative methods in a single study is a form of: triangulation methodological research theory generation hypothesis testing

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

What is the slope of the line that contains the points (-2,1) and (0,-3)