Answer:
? = 30
Step-by-step explanation:
If the triangles are similar, then the only way I see this working is the sides measuring 63 and 54 are corresponding. The sides measuring 56 and 48 are corresponding. That leaves the sides measuring 35 and ? corresponding. 
Set up a proportion.
63/54 = 35/?
63? = 54 * 35
63? = 1890
? = 30
 
        
                    
             
        
        
        
Answer:
-4
Step-by-step explanation:
bro thats 6th grade math lol and its SO easy just need to try
 
        
             
        
        
        
12 = 12/1 = 24/2, 24/2+1/2=25/2 so 25/2, and it's in simplest form because 2 can't go into 25
        
             
        
        
        
Line the decimal first then divide 3