Answer:
Number 4 is correct.
Step-by-step explanation:
 
        
             
        
        
        
True.
Work is in attached sheet! <3
 
        
             
        
        
        
Propecia:
5 gallons ====== $ 14.46.
16 gallons ======= x dollars
X=16*14.46: 5=46.27  
Answer: $ 46.27.
 
        
             
        
        
        
Answer:
none
Step-by-step explanation:
We have three sides
Adding the two smallest sides together must be bigger than the third side
3.1+5.2 > 9.8
8.3> 9.8
This is false, so we cannot make a triangle