Answer:
see below
Step-by-step explanation:
Closed under addition, subtraction and multiplication
Not closed under division :-
for example 3/4 = 0.75 which is not an integer
<span> 3.6 miles
If you already know the distance why would you estimate? </span>
Answer: The third graph.
The difference between temperatures for every increase (1km) in altitude is consistent (6.5), meaning that it is a straight line.
Then, you would have to match the x and y values on the charts to the coordinates on the graph. Ex: (8.5, 1), (2, 2), (-4.5, 3) etc.