Hi, help will be appreciated, thanks

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.

Ill mark the brainliest if you me with the these three questions 7,8,9

Which statements regarding efg are true? check all that apply.