HELP!!!!!!!!!!!

1. Read the sentence below and use context clues to determine the meaning of the word grousing:

Your grousing about your current list of chores suggests you are unhappy with it.

What does grousing mean in this context?

Boasting
Complaining
Inquiring
Talking

2. Which search term combination would most likely provide reliable facts for a research project on the costs of solar power?

Solar power
Solar power costs .gov
Solar power design .com
Solar power resources .org

3. Which of the following sentences needs a comma to be correctly punctuated?

My mother writes and edits for a major publication.
My mother and my father edit a gardening magazine.
My mother writes for a magazine and my father edits novels.
My mother writes for a magazine that my father edits.