Answer: -9/8 or -1 1/8
Step-by-step explanation:
First find the slope of s
m = y2 - y1 / x2 - x1
your equation should be 10 - 19/9 - 1 which equals -9/8
the slope of s is -9/8 or -1 1/8
!!!PARALLEL LINES ALWAYS HAVE THE SAME SLOPE!!!
therefore, the slope of t is also -9/8 or -1 1/8
