Answer:
u are a big bot and i love it hahahahah
Its the plane that is the subject
Answer: between the last one and first one but my best guess is A
Explanation: Hope this helps!
"response variable", "regressand", "predicted variable", "measured variable", "explained variable", "experimental variable", "responding variable", "outcome variable", "output variable" or "label".
it all depends on the context :)