A fast food offers a special for $9.99. The customer can choose from

3
3 types of main courses,
4
4 types of sides,
4
4 drinks, and
3
3 sauces. Assuming you will pick exactly one of each how many different possibilities are there?

To find the total number of possibilities, we multiply the number of choices for each category:

3 main courses x 4 sides x 4 drinks x 3 sauces = 144 possibilities

Therefore, there are 144 different possibilities for a customer to choose their meal.