In the last 4 seasons, Luis scored 14, 18, 15, and 25 goals. How many goals does he need to score this year, to end the season with an overall average of 20 goals per season?

A new sandwich shop just opened. It is offering a choice of ham sandwiches, chicken sandwiches, or hamburgers as the main course and French fries, potato salad, baked beans or coleslaw to go with them. How many different ways can a customer have a sandwich and one side order?

Stacy has 60 pairs of shoes. She has shoes that have a heel height of between 1 inch and 4 inches. Stacy wants to know which heel height she has the most of. Would she figure out the mode or mean?