Which method of finding the total outcomes of an event allows you to see all possible outcomes?

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

A menu has 6 different sandwiches, with 3 choices of potato chips, 3 types of salad and 5 different beverages. How many different lunch combinations consisting of a sandwich, chips and beverage can be ordered?

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

How many total outfit options are represented?

Which shows the sample space for flipping two coins?