Step-by-step explanation:
9 + y^2 = 49
y^2 = 40
y = √40 = 2√10
4.5/3 = 2√10/5x
22.5x = (3) 2√10
22.5x = 6√10
x = 6√10/22.5 = 3√10/11.5
1. -2<2 2. -4> -5. -20<20. -7>-8. -10<-1. 50>-100
To turn a decimal into a percent, multiply it by 100:

5.4 is equal to 540%.