Answer:
Coldest: Broad Peak.
Warmest: Mount McKinley.
Explanation:
if you look at a timeline it should look kind of like this:
...5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5...
so basically when the negative numbers are "smaller" then the temperature etc. is greater because it is closer to the number 0...