Terence is deciding which internet data plan is the best deal for him to buy. X-Bell charges a monthly fee of $20 and also charges $0.20 per gigabyte. He makes a note that the equation is M=0.20G+20, where M is the monthly charge, in dollars, and G is the number of gigabytes used. T-finity has a plan with no monthly fee but charges $0.45 per gigabyte. He makes a note that the equation is M=0.45G, where M is the monthly charge, in dollars, and G is the number of gigabytes used. Both companies offer unlimited text messages. Make a table for both companies showing the cost of service, M, for using 0 to 200 gigabytes per month. Use multiples of 20. Then answer the questions. A = ___