Free points lol yeah haha

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180