Answer:
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Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
the right choice is C
you use c^2=a^2+b^2
where the largest side is the hypotenuse 
 
        
                    
             
        
        
        
Step-by-step explanation:

its hard to determine without the known value of x, but the above would be the equation needed to solve it if you knew what x was
 
        
             
        
        
        
Answer:

Step-by-step explanation:
We can find the inverse function of this excercise, isolating X and then changing the variables. 


And now we change the variables and we get the inverse function: 
