Jake earns $12 for each hour worked. The equation y = 12x can be used to model this situation, where x represents the number of hours worked and y represents the total amount earned. what's the independent variable

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?