B because o-le-o-mar-ga-rine
<u><em>Presidents Have hardwork to do.They make educational laws to help the community kids better.They also make safety laws against injury.Schools are supported and aided with anything needed.They also make restaurants better.Presidents sign in laws for the nation.
(Talking about president.)
Wishing you happy days!
</em></u>
Answer:
It means that you and what it is you were doing is wrong so to go back and try again
Explanation:
Like if you have a project about fish and you say they can live outside of water your teacher might say go back to the drawing board and try again
They help by when you need help with math and when you need a friend
