They are opposites of each other.
-13.2 + 8.1 = -5.1
13.2 - 8.1 = 5.1
        
             
        
        
        
  7ab + 5  is going to be the answer because I solved it and that's the answer 
        
                    
             
        
        
        
Answer:
i think factor the expression (r+7)(r+14) is answer
Step-by-step explanation:
 
        
                    
             
        
        
        
        
Answer: probably (b) because negative x positive or plus equals negative
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Step-by-step explanation: