Answer:
⇒y=32x+18
Step-by-step explanation:
 
        
             
        
        
        
From the table we can see:
Number of songs:         Cost:
          0                         $ 0
          1                         $1.25
          2                         $2.50
          3                         $3.75
          4                         $5.00
Therefore the rate of change is: (2.50 - 1.25) / ( 2 - 1 ) = $1.25
Answer: 
It means that : C. The cost increases $1.25 for each additional song that is downloaded.
        
                    
             
        
        
        
Answer:
C!
Step-by-step explanation:
 
        
                    
             
        
        
        
You do 9+3 which equals 12 then you multiply that by 4