We know that:

Then:

Therefore:

Simplifying the above result we get:

Answer:
Y-axis, because what i’ve been taught with coordinates, is you crawl before you walk which means is first it’s x-axis then y-axis. so (0,4) would be on the y-axis. :)
If I could see the photo I could help you answer the question
Answer:
its b
Step-by-step explanation: