Y = kx - 8. The variable k can be any negative value.
45x to the 3rd power y divided by 9xy
5x to the 3rd power y
He circumference of a circle<span> is equal to the diameter times pi. So, let's look at </span>what happens<span> if you double the </span>radius<span> of a </span>circle<span> -- say from 2 to 4. The area will go from 12.56 to 50.24. This means that it has </span>quadrupled<span>.</span>
The ratio is 10:14 or 5:7 which is the ratio of boys to girls!
