Question

the circle of fifths contains...
the number for pizza hut.
the answers to lifes greatest questions.
the order of sharps and flats in music.

Explanation:

The Circle of fifths is a musical concept that shows the order of sharps and flats in key - signatures. It has nothing to do with the number for Pizza Hut or the answers to life's greatest questions.

Answer:

the order of sharps and flats in music.