It would be addition property of equality.
To solve for X, get it alone.
Get rid of -8 from the left hand side.
x-8=14
We add 8 to both sides
x - 8 + 8 = 14 + 8
x= 22
Therefore 8 is added to each side which makes it addition property!
The answer is 49.9
You add 105.6 and 180.0 to get 285.6 then you subtract 335.5 from that and get 49.9
Answer:
C because h is increasing at -0.5,3