Daniela has $50 leftover this week and she wants to contribute to a charitable cause. With $5, Daniela can feed one homeless person one meal. With $10, she can provide shelter for one homeless person for one night. What is the opportunity cost of Daniela using all of her money to shelter homeless people?

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.