rickie surveys people at an amusement park to find out the avrage size of peoples families. Determine whether the sample is biased.

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

For which pair of functions is (gof)(a)=|a|-2?