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Answer:
Fraction-of-occurrences of 115In isotope 
Explanation:
As we know  weight of 113 In  isotope is equal to the sum of product of fraction-of-occurrences of two constituents isotopes and their atomic weight
  ------(1)
 ------(1)
As we know sum of fraction-of-occurrences of two constituents isotopes is equal to one. 
 ---------(2)
---------(2)
Substituting the given values in equation 1, we get 

Substituting this value in equation 2 we get - 

 
        
             
        
        
        
Answer:
X, right trigger, left trigger, left bumper, left, left, Y
Explanation:
 
        
             
        
        
        
Answer:
B. every cell of a multicellular organisms is responsible for movement