Answer:
             P = 4x  +  10
Step-by-step explanation:
perimeter of a rectangle = 2( width + length )
    P = 2 ( x - 2  +  x + 7 )
    P = 2 ( x + x  +  7 - 2 )
         P = 2 ( 2x +  5 )
             P = 4x  +  10
 
        
             
        
        
        
Answer:
y = 2x
Step-by-step explanation:
Use Rise over Run. The rise(up/down) is 2 and the run(sideways) is 1. The slope is going up, not down so the 2 is positive. So, it is positive 2/1, which you can write as 2.
 
        
             
        
        
        
Answer:
~
~
Step-by-step explanation:
From the question we are told that:
 Price of 20TVs per week  
Marginal price-demand function 
Generally the The Marginal price function is mathematically given by
    
  
    
  
    
  
Therefore the equation when the demand is 20 TVs per week at $150 per TV

Giving

Therefore the Price when the demand is 100 TVs per week


 
        
             
        
        
        
Answer:
The answer is 
8 x 24 x 4 x 56 x 37 x 85 = 135260160
 
        
                    
             
        
        
        
Answer: -2.5f-22
Step-by-step explanation:
you add like terms