Pls can u tell me the answer for this and clue: it end with the cm 2 thing

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Find the solution(s) to x^2-14+49=0

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect