Compound Simple and Complex Sentences Corrections

Even though I have Jolly Ranchers, there aren't very many left.

I won't change my mind, but you can ask someone else if you don't like my answer.

If you do your homework, your grades will improve.

The student fell asleep in class, and he didn't finish his rough draft.

Correct this sentence: We went to the mall on a Tuesday; nobody was there.

Which sentence is correct?

The class was really loud for the substitute, so the teacher gave several students detention because she warned them before she left.

His parents divorced when he was young.

Throughout his early life, he struggled with poverty, but he became successful after he finished college.

His father moved to Mexico.