Which one is it the top one or the bottom one?
Y = mx + b

Therefore we have: y = 3x + b.
Put the coordinates of the point (3; 2) to the equation of the line:

Therefore we have: y = 3x - 7
Substitute the coordinates of the point (8; y) to the equation of the line:

Answer:
y = 17.
It would cost $168 to buy the edging.
48/2=24. 24+24+48+16=112
112x1.5=168
Answer:
The answer is b because if you move it to the right you don't go to the other side
What exactly are you asking?