Ok, so if you do the math.. 8³ •8^-5 =512.0000305
So, in conclusion... the student is correct..
        
             
        
        
        

Now completing the square.

(x+5)² = 16 is the rewritten equation... For first question btw.
For the solutions to the equation -

x = -1,-9 is the solution, for the second question.
 
        
             
        
        
        
Answer:
2340 degrees 
Step-by-step explanation:
Each triangle has an angle sum of 180 degrees, therefore the sum of interior angles of 15-gon will be 13×180=2340
 
        
             
        
        
        
Answer:
2m-7
Step-by-step explanation: