The slope of the line is 
(or just 2) as it rises by 2 units and runs to the left by 1 unit.
Is there more information i can get out of this ?
Answer:
They are similar.
Step-by-step explanation:
They are similar because, the top triangle has one more square to the height as well as the width. If you take one square away from the height and width the top triangle is the same size as the bottom triangle.
1)80
2)55
3)D
4)F
5)-20
6)B
Hope that helps
