It’s should be c and a mostly c though
Yes U can become faster at tuning of u keep practicing and trying to go faster every time u run train every day try to go a little faster every single day have a schedule and eat healthy. This is coming from a. Funner that pass school record on track
Some food producers use additives to keep it fresh for longer
2*3 is correct because all the factors are prime numbers so they can't be broken down firther
