Your answer is 0.03 because you have to make the 5 equal to the ten and that would be 10 then change the division to multiplication and just multiply across then you simplify it.
        
                    
             
        
        
        
Answer:20
Step-by-step explanation:
3.1 *4.2=13.02 12.4*21=260.4 260.4/13.02=20
 
        
                    
             
        
        
        
Answer:
-3
Step-by-step explanation:
-7x + 4x = 9
-3x = 9
x = 9/(-3)
<h3>
x = -3</h3>
<h2>
MARK ME AS BRAINLIST </h2>
 
        
                    
             
        
        
        
The answer to your question is b. 2