2n-19 I think is the answer :3
        
                    
             
        
        
        
Answer:
0, 3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A^2 + B^2 = C^2
Step-by-step explanation:
The applies for right triangle where C is the hypotenuse. 
 
        
             
        
        
        
We need to convert this equation to slope-intercept form first.
We can do that by solving for y.
x - 5y = 15
<em><u>Add 5y to both sides.</u></em>
x = 5y + 15
<em><u>Subtract 15 from both sides.</u></em>
x - 15 = 5y
<em><u>Divide both sides by 5.</u></em>
y = 1/5x - 3 
We now know the slope is 1/5. 
The slope of the line perpendicular to the line with a slope of 1/5 is -5.
The slope of a perpendicular line is the negative reciprocal of the original slope.
Using a graphing calculator, we know the y-intercept of the line that is perpendicular to the original line must have a y-intercept of -6 to run through the points (-2, 5).
The equation of the new line is y = -5x - 6.
 
        
                    
             
        
        
        
Answer: 9
Step-by-step explanation:
s = 7
k = 4
x = 6
7 - 4 + 6
3 + 6
9