Somebody? I think you can find someone like that in your school... nice profile picture.
Answer:
18.5
Step-by-step explanation:
I'm not sure about the second image.
But the first one is telling you to translate x, 3 units left, and translate y, 4 units up.
(-6, 0) will turn to (-9, 4)
I subtracted 3 from -6 and added 4 to 0.