Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Simply plug in 10 for <em>n</em>
9(1/3)¹⁰⁻¹
9(1/3)⁹
9(1/19683)
9/19683

 
        
             
        
        
        
9514 1404 393
Answer:
   d.  AB = 54
Step-by-step explanation:
The triangle is isosceles, so AB = AC.
   (4x +6) = (5x -6)
   12 = x . . . . . . . . . . . . add 6-4x to both sides
Then the length of AB is ...
   AB = 4x +6 = 4(12) +6 = 48 +6
   AB = 54