This is true. The homestead act gave people huge properties for a small price if they were willing to work on the field for 5 years. After 5 years it would become their and they could do with it as they wished.
This is because both of these regions have specific subjective opinions about these areas which reflect their feelings and images.
What this means is that both West and East in Europe were influenced by particular political ideologies - West by democracy, whereas East was influenced by communism. Even today, Eastern and Western Europe are quite reflective of those ideologies.
d. continuous urban development connected by transportation routes.
To change the equation, you'd have to take the square root of both sides. When you do this, x^2 cancels out leaving you with x = sqrt(y)
If you need help on the other ones, all you have to do is solve for x by using either addition/subtraction or dividing/multiplying.