Lin notices that the number of cups of red paint is always 2/5 of the total number of cups. She writes the equation r=2/5t to describe the relationship. Which is the
independent variable? Which is the dependent variable? Explain how you know.

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.