Answer:
20
Step-by-step explanation:
Okay, so you can see x= 26, so you half it. You do this because it says 1/2. Then it says plus 7, 7 plus 13 equals 20. Therefore y= 20
 
        
                    
             
        
        
        
Answer: I not super sure, but I think you are supposed to put the equations on each side of the table. Your end result should be 2x to the second -5x-3. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
                  
Step-by-step explanation:
              
 
        
             
        
        
        
Answer:
 2x^2 + 6.
Step-by-step explanation:
Replace the x in f(x) by g(x):
f(g(x)) = 2(x^2 + 3)
= 2x^2 + 6.