Answer:
Irreducible factorization
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a7/5
Step-by-step explanation:
 
        
             
        
        
        
The fourth option is the correct answer.
Hope this helps! ;) 
 
        
                    
             
        
        
        
Answer:
72
Step-by-step explanation:
RQS + KLM = 180 degrees, because RQS = QLK, and QLK + KLM = 180 degrees (because they are on the same line). 
Substitute the values for RQS and KLM:
x-36 + x = 180 -->
2x-36=180 -->
2x = 144 -->
x=72 
 
        
                    
             
        
        
        
Y is 15 and x is 14 mark me as brainless