Answer:
60 degrees
Step-by-step explanation:
The angles all have to add up to 180, so you can do

Answer:
3/2 g.oogle if you want the explanation of your work.
Answer: B
The number 3 isn't included because the point isn't included.
The arrow points to the left, representing any number less than 3 to be a solution.
Inequality: x < 3