Answer:
A.
Step-by-step explanation:
The answer is A because well 3x would not change and 17x would not change but 7 and 5 would change because they are not variable numbers So when u do the mah you would get 3x2+17x -2
 
        
             
        
        
        
B 11.2 Have a good day :)
        
             
        
        
        
Answer:A 12 m3
Step-by-step explanation:
100% correct 
 
        
                    
             
        
        
        
Answer:
The sale price of a ticket from Austin to Phoenix for someone under 12 is $49.70
Step-by-step explanation:
Let
x----> the sale price of a ticket from Austin to Phoenix for someone under 12
we know that
100%-65%=35%=35/100=0.35
so
x=0.35*($142.00)
x=$49.70