I'm pretty sure it's C. It seemed confusing at first to me, too. Good luck on your test!
Answer:

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em><em>!</em>
It could be all it could be one but the true answer is I’m not sure which one
Answer:
Step-by-step explanation:
what do you mean ?
Answer:
function a is linear and its equation is y=(5/3) x