Answer:
19/4
Step-by-step explanation:
  
        
             
        
        
        
Answer:
No
Step-by-step explanation:
if the X number ever repeats, then its never a function
 
        
                    
             
        
        
        
Answer:
$260
Step-by-step explanation:
Turn the percentage into a decimal.
35% -> 0.35
Multiply.
400 * 0.35 = 140
Subtract.
400 - 140 = $260
Best of Luck!
 
        
                    
             
        
        
        
Answer:
The answer is the last one, -i. 
Hope this helped! 
 
        
                    
             
        
        
        
10 minutes I'm pretty sure. My calculations may be off but at least I tried