Answer: a) 1977060966, b) 146581344.
Step-by-step explanation:
Since we have given that
There are 10 numbers,
There are 26 lower case letters,
There are 26 upper case letters,
Since the first 3 characters have to be digits and next 6 can be upper or lower.
So, a) repetitions are allowed:

b) repetitions are not allowed:

Hence, a) 1977060966, b) 146581344.
If each ticket cost six dollars and there is y amount of people it would be six for every person.
your answer would be (C)6y
Answer:
I'm not positive but I'm pretty sure its infinite
Step-by-step explanation:
idk
Answer:
Step-by-step explanation: