Describe how to translate the graph of y=√x to obtain the graph of y=√x-13 a: shift down 13 units b: shift right 13 units c: shift left 13 units d: shift up 13 units

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?