Answer:
It is false
Step-by-step explanation:
It is false because 12 has the factors of 2 and 4 but 8 is not a factor of 12. 
 
        
             
        
        
        
Answer:
x<9
Step-by-step explanation:
 
        
             
        
        
        
There are 16 cups in one gallon so a half would be 8
Answer: 8 cups
        
                    
             
        
        
        

bearing in mind, "t" is in years, 6months is just 1/2 year
solve for "r", you'd get a decimal amount, multiply times 100, to get the percentage form
 
        
                    
             
        
        
        
Answer:
13.6 g/ml
Step-by-step explanation:
Density is found by mass divided by volume
The mass is 306.0 and the volume is 22.5 ml
density = 306.0/22.5 =13.6 g/ml
We have 3 sig figs which is correct