Simplify using perfect squares or factor trees. show your work. 1. -√9

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.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Askateboard ramp is in the shape of a right triangle what is the height of the ramp