Answer:
the answer is B
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
The terms are 9, 4, 3b and 7a.
The terms are 9 – 4 and 3b + 7a.
The terms are 9, -4, 3b, and 7a.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A
Step-by-step explanation:
Not 100% sure, been a while since i did this stuff but i think A is correct
 
        
             
        
        
        
Answer:
I got you my man
Step-by-step explanation:
Blank 1: 2
Blank 2: 3
Blank 3: 1 only
 
        
             
        
        
        
Answer:

Step-by-step explanation:
See the attachment for better understanding..