Answer:
Part A: [0,2], Part B: [2, 4], Part C: [8,10], Part D: 0 ft
Step-by-step explanation:
Part A:  The time between 0 seconds to 2 seconds is the time when it's increasing. There is no other time like that. 
Part B: The graph shows a straight line so therefore it is staying the same. 
Part C: The graph shows a sharp decline. 
Part D: Starting from the 10th second, the balloon already hit to ground so it would only make sense for it to stay there...
 
        
             
        
        
        
31 miles an hour just divide 527 by 17
        
                    
             
        
        
        
Answer:
You cannot divide first because in equations you need to isolate the variable, which means subtracting first. The outcome will be different if you change the order.
 
        
                    
             
        
        
        
2 because if you convert the fractions into decimals then divide it that way it will be 2