Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.
The answer is i beleve 75+15n
Well,. you could say bees in hive + bees in garden = bees in total.
<span>3x(x^2+4)
= 3x^3 + 12x
hope it helps</span>