9x + 4 = 58
9x = 54
x = 6
The number is 6.
        
             
        
        
        
Answer:
see below
Step-by-step explanation:
This is not a linear function because it does not pass the vertical line test
A vertical line is not a function, it is a relation.
 
        
             
        
        
        
Answer:
The end point of a ray is A
Step-by-step explanation:
Hope this Helps
 
        
             
        
        
        
As the exterior angles always add up to 360, you can find the number of sides by dividing 360 by the measure of your exterior angle, 30. This gives you 360/30=12, meaning your polygon has 12 sides.