The y-coordinate of point T would be -4.5 the whole ordered paid would be (-3,-4.5).
The answer to the first part of your question is 9
as for the second part 36/4 (which is 9 btw) then subtract 2 I answered this one the best I could (let me know if I'm wrong)
(i just don't have to much time on my hands because I have homework myself)
Answer:
the slope is = -1
Step-by-step explanation: