Answer
2 + 2 = 21
Step-by-step explanation:
because, vine. 
 
        
                    
             
        
        
        
Answer:
18.66 ft/s
Step-by-step explanation:
The distance between you and the elevator is given by:

The rate of change for the distance between you and the elevator is given by:



Applying the chain rule:

Therefore, at x=300 and y = 500, dy/dt is:

The elevator is descending at 18.66 ft/s.
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
18/4.5=4
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:

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<em>hope this helps....</em>