Answer:
-Help finding your stuff
-Make sure you have everything you need
-Help carry anything or open any doors
-Making you a snack or food
D nadie
Nadie means No one or nobody.
Claudia y Nicole ayudan a María a mudarse.
You would use the ellos/ellas conjugation of ayudar because there are two people completing the verb.
I answered it already in the question thingy box!