Answer: Linear 
Step-by-step explanation:
The equation y=mx+b which is used for this equation is a linear function. 
 
        
             
        
        
        
THE GCF IS 4; I hope this helps
        
                    
             
        
        
        
Answer:
6 units
Step-by-step explanation:
use imagination to separate the triangle from the square.
2*2 is 4 which is the volume of the square part
2*2/2 is the volume of the triangle which divides out to be 2
2+4=6
 
        
             
        
        
        
Answer:5 
Step-by-step explanation: