Help me pls, question for smart people

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2