9xa is the common factor.
You can complete the statement by dividing the two terms of the expression of the left side by 9xa, and you will get: 
36x^3a + 45xa^2 = 9xa ( 4x^2 + 5a)
        
             
        
        
        
Answer:
She can buy 6
Step-by-step explanation:
4=36
1=9 
54/9=6
 
        
             
        
        
        
Answer:8:24
Step-by-step explanation:
So since it is 1:3 and 2 dozen is 24 so 24 divided by 3 = 8 so now it’s 8:24
 
        
             
        
        
        
Answer:
the answer is t=9
Step-by-step explanation:
hoped I helped:)
 
        
                    
             
        
        
        
Answer:
135
Step-by-step explanation:
135+45=180