We don't know anything about sally so we cant answer unless we know the story (which I don't)
Answer:
It's doesn't. "Don't" is improper english
Answer:
fireworks show and a real blast
Explanation:
Both are a number (6) multiplied by a variable (z).
However, 6z is the correct way to write this.
We usually write the number first, that's just the way it's done.
It sort of makes sense because 6z is literally equal to 6 z's.
They all start with I had a dream