It was a quarter of billion years ago and the world nearly came to an end. there was dinosaurs and the greens that they used to eat and today a dino's head is sculptured on a high cliff.
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.
Answer is B. Air temperature rises and air molecules move faster.
The 6th planet from the sun is Saturn. Here is a picture of all of the 8 planets from the sun.