What is a sum of measures of exterior angles of this figure

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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.