(-9,-21) dilated with a scale factor of 2 followed by a scale factor of 0.5

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

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

What is the slope of the line (-7,2) (4,6)