Answer:
84
Step-by-step explanation:
because 72 girl than 84 girls is greater
 
        
             
        
        
        
Compute the sum to simplify C :

Now,  is the entry of the matrix in row i and column j, so
 is the entry of the matrix in row i and column j, so



 
        
             
        
        
        
It would help if you could specify what the area is in total, in order to find the perimeter with a variable.
        
             
        
        
        
Answer:
x=3 because all you have to do is subtract 7
Step-by-step explanation:
 
        
                    
             
        
        
        
Given:
 bisects ∠RST.
 bisects ∠RST.

To find:
The  .
.
Solution:
Since,  bisects ∠RST, therefore
 bisects ∠RST, therefore
 ...(1)
         ...(1)
Now,

 [Using (1)]
         [Using (1)]

 
              ![[\text{Given }m\angle RSV=64^\circ]](https://tex.z-dn.net/?f=%5B%5Ctext%7BGiven%20%7Dm%5Cangle%20RSV%3D64%5E%5Ccirc%5D)

Therefore, the value of  is
 is  .
.