You want to buy from a vending machine a candy bar that costs 55¢. The EXACT CHANGE light is on and you have only a $1 bill. You ask the cashier make change for your $1 bill so you will get 55¢ as part of the change. In how many ways can the cashier change your $1 bill so you will have the 55¢ you need to buy the candy bar?

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.