Algebra test so please don’t answer unless you know you’re right.

Which is the completely factored from of xy^3-x^3y

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.

What is the radical expression that is equivalent to the expression 27 1 over 5?