The osborn buliding has two-thirds as many stories as the xerox tower. the osborn buliding has 20 stories. how many stories does the xerox tower have ?

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.

How to determine whether two known pairs of points are on the same line.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.