Answer:
His position is now on -18 below sea level 
Step-by-step explanation:
So since Tomas is 15 feet below sea level, that means that it's -15. He rose 9 feet which now he is -6 feet below sea level. Now he descends 12 feet which means he goes back down and now he is at -18 below sea level.
 
        
             
        
        
        
Answer:

Step-by-step explanation:
Remember that the range is the set of all y-values. Thus, since the minimum of the function is y=-1, then our range is  . In interval notation, we use brackets to show what's included and parentheses to show what's not included.
. In interval notation, we use brackets to show what's included and parentheses to show what's not included.
 
        
                    
             
        
        
        
Answer:
20/9
Step-by-step explanation:
Alright, so by using the "keep me, change me, turn me over" method - we can easily solve this:

<em>I hope I was of assistance!</em> <em><u>#SpreadTheLove <3</u></em>
 
        
             
        
        
        
3 x^3 y^2
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8 ( y/x-3/2)
        
             
        
        
        
Answer:
144
Step-by-step explanation: