Hello! i need help,, again,, :sob:

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.