Just please help I don’t know

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual