We know, Length of Image = Length of Object * Dilation factor, 
Just substitute your known values, 
Length of Image = 9 * 2 = 18
In short, Your Answer would be 18 cm
Hope this helps!
        
             
        
        
        
Answer:
you don't, the fraction  
  
or 4/5 
is already in its simplest form. 
Step-by-step explanation:
if you want it as a decimal, simply divide. 
numerator by the denominator 
4 divided by 5 
which is 0.8  
 
        
             
        
        
        
No, b is the y-intercept, m is the slope
        
             
        
        
        
Answer:

Step-by-step explanation:

The formula of perimeter of the rectangle:

Substitute:

