Answer:
The slope would also be -4.
Step-by-step explanation:
This is because parallel lines have the exact same slope. Since these two lines are parallel and the first has a slope of -4, the second must as well. 
 
        
                    
             
        
        
        
I have worked it out the answer equals 2
 
        
             
        
        
        
Answer:
£17376.10
Step-by-step explanation:
Percentage increase.
16870 × (1 + 3%)
16870 × 1.03
= 17376.1
 
        
                    
             
        
        
        
Answer:
QR & ST ---> Parallel
ST & QS ---> Perpendicular
RT & QR ---> Perpendicular
QS & RT ---> Parallel
Step-by-step explanation:
2 lines are said to be parallel lines if they will never intersect with each other. 
2 lines are said to be perpendicular lines if angle between both the lines are 90°.