2 questions below please help this is due today and I don’t wanna fail.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Which function has the domain x> -11?