Which of the following is an example of a perceptual region

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?

Which of these fragmental sedimentary rocks would most likely form farthest from the land?