I think the answer is 1d.
Answer:
the best way to solve this is to have graph paper, so your numbers and points align. I have a model attached. the first point is hours slept 8. so on your graph go to 8 then across to 83, which is the test score. make a mark to represent this point. do this for all and it will create a line
Answer:
I belive it is y=yx+-1/5,(1,1)
Step-by-step explanation: