Explain what the concept "systems need organization" means to you

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

Which of the following terms describes the layers of air surrounding the earth ?

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.