Answer:
usually 2 depending on age
 
        
             
        
        
        
Answer:
Her friend got the better deal.
Step-by-step explanation:
For Jillians equation look at
$22.56/4 = $6.39 per CD
For her friends equation look at
 
$18.45/3 = $6.15 per CD
Jillian's friend got the better deal because she paid less per CD as shown in the equations above.
 
        
             
        
        
        
Answer: 
22
Explanation:
I-d-k a educated-guess
        
                    
             
        
        
        
Step-by-step explanation:

We have to simplify the given expression. 

We know that:


Therefore, we get:



