In the year 1980, ric was twoce as old as nancy who was twice as old as micheal. in the year 1993 ric, nancy and micheal's ages added up to 78 years. how old was ric in 1980?

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.

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship