Answer:
30 x 30x 9 = 8,100 that is the answer have a great day
 
        
                    
             
        
        
        
The ratio would be 8:20 or 8 to 20
        
                    
             
        
        
        
The answer will be around 145
        
                    
             
        
        
        
Step-by-step explanation:

( vertically opposite angles)



 
        
                    
             
        
        
        
Answer:
y=5/3x-12
slope= 5/3
y-intercept= -12
Step-by-step explanation:
i hope this helps :)