I would say that Mercury show the most signs of volcanic activity.<span />
I did some research and it said India
The new Kiowa and Plains Apache homeland lay in the southwestern plains adjacent to the Arkansas River in southeastern Colorado and western Kansas and the Red River drainage of the Texas Panhandle and western Oklahoma.
Hope this helps; have a great day!
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.
