Help please and maybe explain the answer if you have time

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.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

An object in geometry with no width, length or height is a(n):