Help me plz

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.

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers