Answer:
y=0.3x-2
Step-by-step explanation:
first find the gradient
m=y2-y1/x2-x1
m=0-(-2)/6-0
m=0.3
then use this equation
y-y1=m(x-x1)
y-(-2)=0.3(x-0)
y+2=0.3x-0
y=0.3x-2
 
        
             
        
        
        
You multiply both by 42: They jog 6 miles per hour
        
                    
             
        
        
        
Answer:
the answer I got is a=-the sign and but 2b under it +7
 
        
             
        
        
        
Answer:$6/Yard
Step-by-step explanation:
You make it into an algebraic expression, 2.5x=15. 
Then, you divide both sides by 2.5
2.5x=15,   2.5x/2.5 =x, 15/2.5=6.
x=6.
x represents the amount of dollars per yard.