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

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.