DaMarcus says the number 24\6 belongs only to the sat of rational numbers. Explain this error

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

How do i do this activity, is appreciated

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.