The population of rabbits on an island is growing exponentially. In the year 2000, the population of rabbits was 220, and by 2004 the population had grown to 350. Predict the population of rabbits in the year 2011, to the nearest whole number.

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?