UPDATE: You don't need to fully answer this question, just please give me an explanation on what independant and dependant means
The most I can do is link you to a guide if that's okay.
https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-dependent-independent/e/dependent-and-independent-variables
Complete this and get back to me to tell me if it helped or not.