Answer:
New Zealand’s cultural influences are predominantly European and Maori. Immigrant groups have generally tended to assimilate into the European lifestyle, although traditional customs are still followed by many Tongans, Samoans, and other Pacific peoples.
Explanation:
The north european plains
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.