Don't quite follow this one but it looks like ...
m-2.j=7x
m-3.j=3x+20
as a pair of simultaneous equations ???
I think the answer is c I hope this helps
The main reason, which I have read about in some books, is that they do not permit industrial building on those islands, so who would want to live there? It is a very bare bones society.
B it’s the largest continent
The answer is no because the US has 3,909 more people