Miss Young is comparing the cost of two different electrical providers for home provider a charge is it $.15 per kilowatt an hour provider be charges a flat fee of $20 plus $.10 per kilowatt hour on the coordinate grid below graph a system of equations to model see the total cost in dollars for each plan based on each kilowatt hours of electricity usage during a one month. Create the first line by selecting then choosing two points to connect create the second line by selecting two points to connect the points must be different than the first line