Answer:

Step-by-step explanation:
The expression is for the interior angle of the hexagon; one interior angle is equal to
.
Since an interior angle of a hexagon measures 120°, we have the equality
.
Now it is just a matter of solving for 

Answer:
<h2>
C) 4</h2>
Step-by-step explanation:
The nth term of arithmetic sequence is 
So:

Answer:
1. 12x-5y = -20 Answer: 2(picture)
2. y =x+4 Answer: 1(picture)
Step-by-step explanation: Hope this help :D
Answer:
just do the opposite numbers on the left side and do the 2nd function on the right!
Step-by-step explanation: