Answer:
-1x or -x
Step-by-step explanation:
y2-y1/x2-x1
20-8/-7-5
12/-12
-1
ehf3rhg4urif4riufnur3ijf3irjurfnhnfhfn3rufni4ugn4rugnt4u :)
point R ((:
reason being (-5,-6) over the y axis is (5, -6)
I think the answer is 16 (B)
Please mark brainlest