Suppose an elevator is 400 feet above the ground. it descends at a steady rate. after 15 seconds, it is 250 feet above the ground. write a linear function for the height of the elevator as a function of time.

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)