Chip bought 10 shares of apex company for 40 each and later sold all of them for 45. this transaction resulted in what type of event?

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

3(10x-y)-5(x-y^2) need this solved asap

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.