To make y the subject, we must move everything to one side and y on the other.

Good day and I hoped that helped!
Answer:
Is there a full question??
Step-by-step explanation:
Answer is -3 hope this helps !
Answer:
The letter C
Step-by-step explanation:
North china plain runs along near the northern east border. It's territory has a noticeable river going through it, and is close to the Gulf of Jilin. A is most likely not correct, since North china plane doesn't go up that high the Yellow river. So it is safe to assume the answer is most likely C
At other point reflect across x axis
multiply y value by -1
(-1,3) is another vertex