Answer:
y = 90°
Step-by-step explanation:
You do 110° + 80° which is 180 divides by two because there is a straight line in the middle of it. I don't know how to explain it.
Answer:
Sorry I cant answer this,
Step-by-step explanation:
More explanation and fix grammar.
K=1
-2k + 10 + 2k = 5k + 5
10 = 5k + 5
5= 5k
K= 1