
Substitue 2x for y in the second equation:

Rearrange to 

 form:

Factor:

Zeros are 

 and 

To find y-coordinates of pts of intersection, plug these x-values into first equation to get 

 and 
 
 
        
             
        
        
        
Answer:
y=x/1000 is the equation 
Step-by-step explanation:
I did math
 
        
                    
             
        
        
        
Answer:
x
--    = y
25
Step-by-step explanation:
Because it is 25% off, x is divided by 25 to get the price.
For example if x was 100, divide it by 25 you get 75, which is y.
 
        
             
        
        
        
Answer:
The percentage increase in Tessa's stock is 40%
Step-by-step explanation:
Given that:
Previous worth = $173
Worth now = $242.20
We have to find percentage increase which can be known by subtracting previous worth from present worth and multiplying it by 100:
Percentage increase = $242.20 - $173 = $69.2
Percentage increase = $69.2/173 *100
Percentage increase = 40%
i hope it will help you!