Gianna has $400 and spent $5 each on x cups of coffee. Write an expression to
represent this situation.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out