Answer:
Yes, it does. 
Step-by-step explanation:
The equation y = 4x is the same as saying:
"The y coordinate is 4 times as much as the x coordinate"
So, with the coordinate set of (2, 8):
y = 4x
8 = 4 * 2
This is correct, meaning the coordinate does fit the equation.
Hope this helps!
 
        
                    
             
        
        
        
Answer:
vertical angles theorem
3x + 4 = 49
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Sales are expected to increase positively.
Step-by-step explanation:
The model is y =7-3*X1+5*X2
Here, y is the depended variable and X1 and X2 are independent variable.  
Holding the unit price constant X2 (television advertisement) is increase by $1 dollar
SSR= 3500
SSE=1500
So, TSS = SSR+SSE = (3500+1500) = 5000
Now r^2= 1 - (SSR/TSS) = 1 - (3,500/5,000) = 1 - 0.70 = 0.30
So, the sample correlation coefficient (r) = (0.3)^(1/2) = 0.547
We can conclude that sample correlation indicates a strong positive relationship.
 
        
             
        
        
        
Answer: B 
Explanation:
We can substitute burgers for m and drinks for p, since all burgers are the same price and drinks are the same price, substitute the 3 burgers and 2 drinks into 
3m+2p 
The only right answer for this equation is $13.50, substitute the 5m+4p=$23.50 and your only right answer is B
        
             
        
        
        
Answer:
$30
Step-by-step explanation:
To find out how much Billy will pay, just multiply 12 and 2.50
12 x 2.50 = $30