Can you figure out why the boss is so unfriendly this week?

How did you figure out this problem?

I can't figure out what he means.

I can't figure out why she didn't come.

I can't figure out why he didn't tell the truth.

I can't figure out how to solve the puzzle.

I can't figure out why you don't like jazz.

I can't figure out what the writer is trying to say.

I couldn't figure out how to do it.

I couldn't figure out what he was talking about.