Answer: 3rd choice is the right answer
        
             
        
        
        
Answer:
y=2x-1
Step-by-step explanation:
y=mx+b
insert Point (0,-1)
-1 = m * 0 + b
-1 = b
slope:
m = delta y / delta x
m = 2 / 1
m = 2
 
        
                    
             
        
        
        
Q5. 23
Q6. 2.4
Q7. 4.7
Q8. $19.20
Q9. 4.77
        
             
        
        
        
Answer:
49 dollars
Step-by-step explanation:
700 times .07
 
        
             
        
        
        
Y(y + 4) - y2 = 6
y2 + 4y - y2 = 6
4y = 6 ⇒ False