posted by Mary .
You & a friend are at Paul & Elizabeth's Restaurant for a night of fine dining. You can choose among 2 appetizers, 4main dishes, & 3 desserts.
Appetizer: soup or salad
Main Dish: fish, chicken, beef, vegetarian
Dessert: chocolate cake, apple pie, ice cream
a: How many possible different dinners are there?
b: If there are 3 choices of salad dressing & 4 choices of ice cream, how many possible dinner combinations are there?