Answer:
It doesn't exist
Step-by-step explanation:
The graph must follow the handshake lemma: the sum of odd vertex degrees must be an even number: 1+3+5=9
D. 2x+3y=14 is the correct answer.
Answer:

Step-by-step explanation:
-5+2(10b-2)=31
Expand brackets.
-5+20b-4=31
-9+20b=31
Add 9 on both sides.
20b=40
Divide both sides by 20
b=2
Answer:
Step-by-step explanation:
18