The opposite of one third a number is greater than 9

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.

Brent wants to know what is 5 x 1/2

What is r i 4.5+10r=-6.5 with work pls