For part 1 it is the moon, galaxy, solar system and universe. For part 2 it is different because of its size, color on the diagram etc. Hope that helped a little
A > -18/19 that should be the answer
6^3= 6x6x6=216. I hope this helps!
The way u write it in scientific notation is 600+50+2
This is the rule for any calculation of this type. Note that you can replace X(B) by X(A) and the same for Y because the answers are squared and you'll always get the same value