If this rectangle is dilated using a scale factor of through point B, what is the result? NO LINKS PLS

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 expression will have the same sum as 3_8 + 1/4?

Need on this geometry question. explain how you did it.