What does mean these meanings?
1. Accounting is pretty math heavy.
I don't understand "math heavy"
2. It is nice to be on my own, but kind of expensive.
I think it means It's nice to be alone after living alone, but room charge is expensive to cover all the expense .
So my question is...
I don't know when the "be on my own" use and what the correct meanings is.
Please let me know.
and if it's ok, please correct my wrong English sentences.