Answer: it is -97
Step-by-step explanation:
because you break it down
-1-81-16+1 ( and the -- turns into a + )
( get rid of the + )
 
        
             
        
        
        
Answer:
perimeter=sum of all sides
p=2(L+W)
36=2(L+12)
36-24=2L
12=2L
L=6
 
        
             
        
        
        
There are 26 letters in the english alphabet, asussuming that they are all upper case, you would multiply 26×6 to find all of the different combinations of numbers.
there are 1000 possible ways to organize the nine individual numbers (000, 001, 002,...,999) 
I hope that helps, I am not really sure how you would go on from there, good luck!
        
             
        
        
        
I need the answer too lol, does anyone knows it ?