Answer:
Increase Percentage =

Percentage increase in hairlength = 72%
Use a protracter :) hope this helps!
Answer:
4:9
Step-by-step explanation:
Area is squaring and Volume is cubing
So it'd be 2^2:3^3, or 4:9
I hope this helped and have a good rest of your day!
Answer:
19
Step-by-step explanation:
-8+8=0
0+19=19
Hope it helps.