M= (7-1)/(2-0)=3
y=3x + c
plug in Q 
1= 3 x 0 +c
=> c =-2
=> the equation represents line QR is y=3x -2
        
                    
             
        
        
        
Answer:
The fourth of twenty is 5
Step-by-step explanation:
The 4th of twenty implies that we divide the number twenty into 4 place, let's us divide it 4 
20/4= 5
This problem bothers on on division of numbers and it requires proper understanding of words/terms associated with it. 
 
        
             
        
        
        
Answer:
1.a
2.b
Step-by-step explanation:
The first column is the domain, while the second column is the range. Therefore, 1 is a, and 2 is b. Hope this helps!