ratio students packing lunch to those buying lunch is 2: 9 the number of students buying lunch is how many times the number of students packing lunch number of students find lunch is blank times the number since packed lunch​

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Plzzz answer both questions and i will give you 100 points