Answer:
$149
Step-by-step explanation:
The computation of the amount left for the shopping is shown below;
= Amount have - Electricity bill - Water bill - telephone bill
= $430 - $119  - $65 - $97
= $149
We simply deduct all expenses from the amount available so the remaining amount i.e. left would be considered for shopping 
 
        
             
        
        
        
Answer:
$1
Step-by-step explanation:
Let's call the ringtone r. If the ringtone and $3 equals $4, then we can write the equation $4=$3+r. To solve, all you have to do is isolate the r by subtracting 3 on each side. 
 
        
             
        
        
        
I think its the one when it says 'all factors were negatives' because if u have -1 times -1 tmes -1 times -1, for -1 to the 4th power, the result will be a positive one
        
             
        
        
        
Based on your question and based on the graph that you show. I conclude and get an answer that the vertex of the graph is (1,3) and the answer to your second question is maximum. I hope i answer your question directly