For questions 18 - 24, Solve using a proportion. 18. The home economics class is making a casserole. They need 3 eggs for one
casserole. How many eggs do they need for 4 casseroles?
19 In Herricks Middle School. 12 out of 16 students are right handed. If there are

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?