Answer:
Total amount paid in july: $68 + $3.40 + 71.40
Step-by-step explanation: 
given: June= $68 for electricty 
        
             
        
        
        
#1) Non-linear 
#2) ?
#3) Linear
#4) a) linear b) linear. c) linear. d) linear
#5) ?
sorry couldn't get the rest of the answers... internet is being dumb today
        
                    
             
        
        
        
It’s a ! you add both of the numbers to get your missing perimeter.
I’m very sorry if it’s wrong but this is what I believe! stay safe
        
             
        
        
        
Answer:
the value of x-1/x is given down 
Step-by-step explanation:
=(x+1/x)²=x²+1/x²+2
=(5)²=x²+1/x²+2
=x²+1/x²=25-2
=x²+1/x²=23 this is the answer
if u ask there how 25 came means there (5)² is that u should multiply 5×5 and u will get 25bas the answer