Given: K = √2, H = 2√2, J = √49, and R = √8 Which expression results in an irrational number?
(1) R 2 (2) R × H
(3) J + H (4) K × H

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.