Answer:
<em>Exact Form:
</em>

<em>Decimal Form:
</em>

<em>Mixed Number Form:
</em>
 
Hope this helps :)
<em>-ilovejiminssi♡</em>
 
        
             
        
        
        
5. D (the number under the square root symbol must be greater than or equal to 0. 
        
                    
             
        
        
        
I believe it should be angle AED
        
             
        
        
        
I'm pretty sure it is 1 out of nine or 1 out of 8.