Answer:
the side length of 121 is 30.25
the square root of 30.25 is 5.5 and 5.5 is a rational number
17.5
Step-by-step explanation:
Since the 6 behind the number being rounded is 5 or above, then you round up. If it was 4 or below you wouldn't.
Hope it helps!
Answer
-3
x=4
4-5=-1
x=3
3-6=-2
-1+-2=-3