Pls help me this is due in 5 minutes pls help I’ll brainlest for the right answer

Does the point (1, sqrt 7) lie on circle shown.

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?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.