Answer:
girl i don't  know this 
Step-by-step explanation:
 
        
             
        
        
        
Do you mean a_(n+1), worded a sub (n+1)?
If so yes.  If the function of the sequence is getting smaller or more negative with each term.
 
        
             
        
        
        
Answer: 296 or 592
Step-by-step explanation:
 
        
             
        
        
        
It would round to 5 because 4.999 is closer to 5 than a decimal (idk if that's 100%)
        
             
        
        
        
The answer is 9y^2x(the 2 goes on top were the arrow is ) Hope this was helpful!