Answer:
what's the question explain pls and I'll answer
Answer:
-2
Step-by-step explanation:
3n+2n+4=9n+12
5n+4=9n+12
5n-9n=-4+12
-4n=8
n=8/-4
n= -2
If the question is, what is it? It is called this figure a pencil of lines.
А pencil of lines can consist of any number of straight, the main thing that they all had one common point. Here you can find a lot of vertical angles and rays.
Its 14.
30-40 is 11, 28-29 is 2, and 41 is 1.
You can use a calculator online you know? It is 21.3
