UNC heads into the final game of the season in control of its own destiny in terms of finishing with at least a share of first place and being the #1 seed in the ACC Tournament.
The always excellent Patrick Stevens has crunched out the ACC Tournament scenarios. Here is what's relevant to UNC's seeding.
#1 seed
-UNC wins vs Duke.
With a win UNC can finish no worse than tied for first with Miami who the Tar Heels beat in the only meeting between the teams. That would afford UNC the #1 seed.