Question $2(3$ points$)$

At a ceremony in Brampton $11$ politicians gathered for a photo opportunity.

In how many ways can they lineup for a photo if:

a$)$ There are no restrictions $($i$.$e$.$ they can lineup anywhere they like$)$

b$)$ The Mayor of Brampton and Premier of Ontario stand on either side of the lineup.

c$)$ The Mayor and Premier stand next to each other.