I can't see them all the way
        
             
        
        
        
Answer:
20. J, 21. B
Step-by-step explanation:
20. P = 15 (2) + 8 (2)
       P = 36 ft.
21. 15 - 6 = 9 ft.
 
        
                    
             
        
        
        
Answer:
5-n squared+3 squared
Step-by-step explanation:
 
        
             
        
        
        
Answer:
84ft^2
Step-by-step explanation:
Relying on formula S(area) =a(base) *h(height )