Ireally need with this and if you don't know it says which one is not

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.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

3x = 729 solve for x plz . it's urgent. will mark