Answer:
response variable- time required for water to turn to ice
control group- second freezer
explanatory variable- new formula
Step-by-step explanation:
 
        
                    
             
        
        
        
1. 15 dollars
2. Deposit=15*month+105
3. Deposit=15*12+105=$285
4. 
500=15*month+105
395=15*month
26.33=month
Round up to 27 for the nearest whole month, so month 27.
Hope this helps!
        
                    
             
        
        
        
Answer:
X=11
Step-by-step explanation:
 
        
             
        
        
        
443.75 - (25 x 7.25) =25x
443.75 - 181.25 = 25x
262.5 = 25x
x = 10.5
$10.50
        
             
        
        
        
Answer:
Step-by-step explanation: