What’s is this I don’t know
        
             
        
        
        
Answer:
5P= 2P+21+45 ( sum of two sides is is equal to 
 the opposite exterior angle)
 5P=2P +61
5P-2P=61 
3P=61 
p= 61÷3
p=2.33333
 
        
                    
             
        
        
        
Answer:
You will never be able to reach the sum of 2
Step-by-step explanation:
 
        
             
        
        
        
<span>11(23-x) 
= 11(23) - 11x
= 253 - 11x</span>