Ijust want to make sure i got the right answer to these questions

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 somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position