Find all possible values for each expression.
sin-1(1/2)
30° + 180n, 150° + 180n
30° + 360n, 150° + 360n
60° + 180n, 120° + 180n
60° + 360n, 120° + 360n

Find the area of the triangle shown 3 by 6

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

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.