Can someone plz help me with this one problem plz

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Acircle has a circumference of 28.36 units what is the diameter of the circle

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?