7n + 12 cost for 6 students

Create 3 equivalent fractions using the area model for 2/5create equivalent fractions using number lines for 1/2create equivalent fractions using multiplying for .3/4brainliest

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.

What is the approximate chemical composition of the solar nebula?