Bethany had some coffee that she wants to give to her friends She wants to give 1/2 of a liter to each friend If bethany has 6 liters of coffee to give to her friends how many friends can she share coffee with

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?