7/25, 6/25, and 11/50. Looks like they are already in order, or you meant to do that... 
        
             
        
        
        
False
-3 is not greater than positive 3
        
                    
             
        
        
        
The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
        
             
        
        
        
Answer:
3
Step-by-step explanation:
subtract 3y from both sides 
add 9 to both sides
3y=12x+9
divide everything by 3
y=4x+3
y-intercept is 3