Answer:

Step-by-step explanation:
For question #1:

For question #2:

Answer:
I would go with the first one.
Step-by-step explanation:
The first one is the only one that increases by the same number. In other words, its slope is constant. A linear function has a constant slope. You can tell that it increases by 1/2 every time.
Answer:
m<D = 14
Step-by-step explanation:
Exterior angles thm:
83 + 6x - 4 = 21x + 4
6x + 79 = 21x + 4
6x - 21x = 4 - 79
-15x = -75
x = 5
m<D:
6x - 4
6(3) - 4
18 - 4
14
Answer:
6
Step-by-step explanation:
Pls mark brainliest.