Answer:
The slope of the line is
.
-
Step-by-step explanation:
☆Remember:

☆Just plug it in with 2 sets of coordinate points.

Answer:No
Step-by-step explanation:
If I remember My geometry correctly
you add GH AND EF then divide 2
G(n) + f(n)
3n + 1 + 4n - 3
7n - 2