There are 2,600 foreign language students.
        
             
        
        
        
Answer: 4(−a+1)(a−1)
Step-by-step explanation:
 
        
                    
             
        
        
        
Additive Identity.
When a number (x) added to zero it will give the number itself as the result.
X + 0 = X
74 + 0 = 74
        
             
        
        
        
9) x= -6 
10) x= 3/2
11) x= -4,0,5 
12) no solution
        
             
        
        
        
The answer is C- Berthas cake weighs 463 grams more than Jessups cake