Answer:
the correct answer is 5 bags
 
        
                    
             
        
        
        
Answer:
D. (3; -4)
Step-by-step explanation:
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Solution here, 
dimentions of is 20 in. by 10 in. by 12 in.
i.e. volume of tank=20×10×12=2400 cu. in.
Again,
the tank holds 10 gallons of water
i.e. 10 gallons of water occupies 2400 cu. in. 
so, 1 gallon of water occupies 2400/10 cu.in.
=240 cu.in
 
        
             
        
        
        
Answer:  The graph shows everything you asked for