An artist mixes yellow and blue paint to make the perfect shade of green. she uses 2 ounces of blue paint for every 7 ounces of yellow. the artist realizes she had 49 ounces left. how many ounces of blue will she need to add?

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?