Uh can you show the problems? Because I wouldn’t be able to answer your question if you don’t show me the expressions
        
             
        
        
        
Answer:
13cm
Step-by-step explanation:
104 × 2 = 208
208 ÷ 16 = 13cm
(13 × 16) ÷ 2 = 104cm² 
 
        
                    
             
        
        
        
Answer:
below
Step-by-step explanation:
that is the procedure above
 
        
             
        
        
        
Answer:
I think its 7.5 but I might be wrong
Step-by-step explanation: