The answer is:
<u>y= -0.5x -2.5</u>
<em>you can also write it as:</em>
<u> y = -0.5x + (-2.5)</u>
m = -0.5
b or "c" = -2.5
<u><em>I hope this was helpful :)</em></u>
Would it be 11 and 12?