<span>3x(x^2+4)
= 3x^3 + 12x
hope it helps</span>
In order to find the volume of a triangular pyramid, you must use the formula (abh)/6. Therefore, I believe the answer is 12 (if [a = a] [b = h] and [c = b]).
100 to 49. Because area is units squared, and it is finding by multiplying the side lengths, you would simply square the ratio.
