Answer:
The volume of the water in the fishbowl is equal to 
  or  
Step-by-step explanation:
we know that
The volume of the sphere (a fishbowl) is equal to

In this problem we have
 ----> the radius is half the diameter
substitute

convert to mixed number


 
        
                    
             
        
        
        
Answer:
The elevation would be -45 feet
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: The last one
Step-by-step explanation: The data is all between 4 and 7 and there are no gaps. The max is 7 dollars as stated. 
 
        
             
        
        
        
I'm not quite sure if this is what you need, but I am going to solve these equations by elimination. x= 8/17 and y = 11/17 (8/17, 11/17).