If a rectangle is 4 cm x 5 cm, what is the perimeter?

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.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Determine the lengths of the sides of the rectangle using the given area. give answers both exactly and approximately (to the nearest tenth). the area of the rectangle is 46 cm2.