The first sentence: My father is going to retire next year.
Second sentence: My mother is going to keep working
Third sentence: (so) they can pay the bills without worrying.
The last entry is the hard one. So in that sentence is a conjunction and it means consequently. But is it a subordinate or a coordinate conjunction?
It think it is a coordinate conjunction. The sentence <em>they can pay the bills without worrying </em>is a complete thought that stands alone. Therefore the three clauses are all major clauses.
You'll put burrito at the top of the tree then it will split into two and have one side say black beans and the other say pinto beans. then those two choices will both split into three segments one saying mild one medium and one hot