The cube of a number increased by 4 times the same number

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.

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area