Answer:
A, 3
Step-by-step explanation:
Just look at x axis, find 6, and then start going up until you hit the line. Then record the point you hit.
9.7..................
Simplify first:
-4n - 20 = 8
Add 20 to both sides:
-4n = 28
Divide by -4:
Therefore you will get:
n = -7
z = -26
6+z/10= -2
6 + z = -2 (10)
z = -20 - 6
11