Answer:
(X2+3)2
Step-by-step explanation:
First, you have to substitute in what f(x) equals for y since f(x) stands for y. 
By doing this, the equation turns into (x2+3)2, because x2+3 is y, and 2 because the original equation way y2. 
After you substitute, the answer is (x2+3)2. 
 
        
             
        
        
        
Answer:
0.33-0.25= 0.08
then 1999-1989= 10
lastly 0.008 
Step-by-step explanation: so the  average rate of
change in postage in<em><u> cents</u></em> per year. is 0.8 of a cent. or 0.008 of a dollar.
 
        
                    
             
        
        
        
The question would help if there were a picture of the problem 
however I can say that it should always add up to 180 and subtracted by the interior sum
        
             
        
        
        
Answer:

Step-by-step explanation:
Solve for the value of  :
:

-Use <u>Distributive Property</u>:


-Combine like terms:


-Take  and subtract it from
 and subtract it from  :
:


-Subtract both sides by  :
:


-Divide both sides by  :
:


-Reduce the fraction to the lowest term by extracting and canceling out  :
:


Therefore, the value of  is
 is  .
.