Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?

x = 5, y = 3
x = 4, y = 5
x = 3, y = 2
x = 2, y = 5

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?