Answer:
Hello, 
If f(x)=5x-13, then f^-1(x)= 
have good day
Step-by-step explanation:
 
        
             
        
        
        
18bags 
Look if 1=3 2=9 3= 18  so he uses 18 bags!
        
             
        
        
        
The answer is 12,825 kg because if one car equals 1425 kg and a car carrier can hold 9 cars, then you just have to multiply 1425 by 9 to get 12,825
        
                    
             
        
        
        
If the radius of the circle is 4 than the area would be 50.27.
If you are saying that 4 is the diameter, than divide that by 2 to get the radius which is 2. The area for this would be 12.57.
I don’t know which one you mean but hope this helps :))