Culture includes all the things a group shares from food to music to religion
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.
Black Bush Poulder is not one of Guyana's sugar estate.
Happy Studying! ^=^