Answer:
the answer is c,Yes, because the ratios for each input and output are equivalent.
Step-by-step explanation:
False. Supplementary angles have to add up to 180 degrees, and that is clearly not a flat line lol
My answer was deleted but ill post it again. it is a line plotted at the point (-2,-0.5) and the slope is down 1, right twice. this is a negative line.