Just divided the numerator(the top number) by the denominator(bottom number)
        
             
        
        
        
Answer:
Zero
Step-by-step explanation:
The temperature will remain constant over time. This means the slope of the graph will be constant from one point of the graph to the other, which cancels out to zero.
 
        
             
        
        
        
Is there’s more to this question?
        
             
        
        
        
The gcf of the numbers are 15