If you're looking for the trend name, I would say Strong Positive, or (a).
13.6
Get a A.. lol
but i'm not sure its right
Answer:
-1
Step-by-step explanation:
30 - 29 = 1
29 - 30 = -1
Add the three angles and set them to 180
4x-13+15+x+18=180
5x+20=180
5x=160
x=32
Then plug in to get A and C
A=4*32-13
A=115
C=32+18
C=50