## Algebra 1

$y = -40/7*x + 660/7$
(13,20) and (6, 60) are given $m = (20-60)/(13-6)$ $m = -40/7$ $y= -40/7*x + b$ $60 = -40/7*6 + b$ $60 = -240/7 +b$ $60 + 240/7 = -240/7 + b$ $660/7 = b$ $y = -40/7*x + 660/7$