Which of these sentences uses a metaphor

The local school board would like to change the school calendar so that students are in school year round. do you think this is a good idea or a bad idea? to you see which side you want to defend answer this question from both angles.

Which is the most effective paraphrase of the passage "six benches were left empty in every ship that evening when we pulled away from death. and this new grief we bore with us to sea: our precious lives we had, but not our friends" - the odyssey

What is the common difference between successive terms in the sequencer 0.36,0 26,0 16,006, 0,04,0