Well for 1.4 will be 1, 2.2 will be 2, 0.7 will be 1, 3.9 will be 4, and 1.8 is 2
True. That is why they are the bases.
Step-by-step explanation
The change in Vivian’s elevation is a positive number because her elevation increased as she moved from the bottom back to the top.
The answer to the question
X + 1
Combine like terms, so terms with x go together and terms without an x go together
So 2x - x = x
3 - 2 = 1
That's as simplified as it can be