Answer:
<h2>-36</h2>
Step-by-step explanation:

Answer:
Angle 1 = 80 (by definition)
Angle 3 = 180 - 80 = 100
Angle 4 + Angle 2 = 90
Also, Angle 2 = 40 (by definition)
So Anglee 4 = 50
Hello,
Let's assume n the number searched.
nine less 3 times n is written 9-3n
I think the answer is 5 because 25 divided by 5=5