After graduating you have two job opportunities. Job A is offering a salary of $32,000 with annual raises of $1,500. Job B offer a starting salary of $37,000 with annual raises at $600. How many years will it take for the two jobs to be at the same salary?

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?