please help Enter numbers into the table so that the paired values are in a proportional relationship. whoever answers gets brainest

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.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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?