Answer:
Letter A.
Step-by-step explanation:
0 is not divisible, so the last the last two alternatives are impossible.
The second one doesn't work, so I'd stick to letter A.
Answer:
3575880
Step-by-step explanation:
We need to use Permutation method,

Where n is the sample of size and r the combination considered, so

There is 3575880 possibilities to make leadership structures in that committee
What will happen once we enter that class code?
Or use photomath, it is also useful!