The phone company A Fee and Fee has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 280 minutes, the monthly cost will be $142. If the customer uses 650 minutes, the monthly cost will be $290.A. Find an equation in the form y = ma+b, where is the number of monthly minutes used and y is the total monthly cost of the A Fee and Fee plan.y =B. If 907 minutes are used, the total cost will be