Answer:
The percent increase is 100%
Step-by-step explanation:
The original cost of the video games is $25. They sell them for $50.
 
        
                    
             
        
        
        
Answer:
a^6
Step-by-step explanation:
a^1 * a^2 * a^3 = 1+2+3(add all power when same variable)
a^6
 
        
             
        
        
        
Answer:
= -x^2 +x     
Step-by-step explanation:
(x) = 1 - x^2 
 g(x) = 1-x, 
(f-g)(x) = 1-x^2 - ( 1-x)
Distribute the minus sign
           = 1-x^2 -1 +x
   Combine like terms
           = -x^2 +x