Soil color is classified by determining the proportion of minerals
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.
The answer is C
I hope that helps you
The correct answer is economic because economic is money oriented
By reducing the need for fossil fuels through the use of the ethanol biofuel.
