The element turns into a liquid at -7 and it turns into gas at 59c from the temperature at which bromine becomes a liquid by how many degree must the temperature change for it to turn into gas

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?