Answer:
Step-by-step explanation:
what are the options 
 
        
             
        
        
        
Answer:
128
Step-by-step explanation:
Supplementary means they sum to 180, and it's also a straight line. 180-49 = 131. 131-3 = 128, or x.
 
        
                    
             
        
        
        
Answer:
Given :
→x-y=12
→xy= 3²
    =9
Equation formed:

Step by step explanation:

hope it helped you:)