The correct answer is They are binding legal agreements.
That means that if you sign and you haven't read it and you find something that you don't like later, you can't choose to not do it. It is not required but should always be done.
The correct answer is D) submit to
submitting to rules or abiding by them means you follow the rules
Hope this helps!=-)
Managing your money (spending,saving and investing)
You are correct in saying that it is y, for instance pygmy.