Help someone pls if you don’t mind

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.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?