2 or 3 I would say... hope that helps : ) 
        
                    
             
        
        
        
7.90×7=55.30. 6.80×1=6.80. 55.30 + 6.80=62.10 Total
        
             
        
        
        
Answer:
$23.00
Step-by-step explanation:
Formula: -13 + d = 10 (d = deposit)
To get d by itself, add 13 to 10: d = 23
Therefore, you need to deposit $23.00.
 
        
             
        
        
        
The slope would be 0 
This is basically how you do it if you need more help let me know
 
        
        
        
Answer:
Step-by-step explanation: