A side of the triangle below has been extended to form an exterior angle of 160°. Find the value of xx.

Prove that quadrilateral is a rhombus.

9/10 divide by -3/15 as a mixed number

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.