What is the mean average of the following even numbers: 2, 4, 6, 8, 10, 12

What is the mean average of the numbers 3, 6, 9, 12, 15

The following represents the daily meal allowance of Candy in 10 days: 25, 25, 25, 25,30, 30, 40, 50, 50, 50. What is the average daily meal allowance of Candy if

Mae scored 85, 85, 95, 95,90 in her Math Test. What is Mae's average score in Math?