Answer:
x>3
Step-by-step explanation:
13+4x>25
4x>12
x>3
180 degrees
Vertical angles are opposite angles that share only a vertex. Since ∠3 is adjacent to both ∠1 and ∠2, this means that ∠3 shares a side and vertex with both of these angles.
This means that ∠3 and ∠1 form a straight line; this makes them a linear pair, which makes their sum 180°.
Answer:

Step-by-step explanation:
If you would like me to explain let me know in the comments.
Answer:
y=400/300x
Step-by-step explanation: