Answer:

Step-by-step explanation:
So, on Monday, Tuesday, and Wednesday, he mowed: 

yards, respectively. 
To determine how many yards he mowed in the three days, simply add the three expressions. Thus: 

Combine like terms: 

Add or subtract: 

And it cannot be simplified further :)
 
        
             
        
        
        
Answer:
24
Step-by-step explanation:
 
        
             
        
        
        
Answer:the first option
Step-by-step explanation:
 
        
             
        
        
        
They would be considered similar triangles.