U times x times four then u get. eight x minus and then u multiply four times seven and u get 8x- 28 that is your answer unless u know what x is then u just multiply 8 times x then subtract 28
The cotton gin changed the textile industry by making cotton far easier to sort, greatly increasing the output of available cotton and therefore causing the price to drop. The cotton gin works by separating the cotton fluff that will be made into fabric from seeds and dirt. Previously, picking these seeds out of cotton took a great deal of time and energy, but the invention of the cotton gin in 1794 sped up the process, allowing farms to produce far more cotton and increasing the amount of cotton available for making clothing.
The Mali Empire collapsed in the 1460s CE following civil wars, the opening up of trade routes elsewhere, and the rise of the neighbouring Songhai Empire, but it did continue to control a small part of the western empire into the 17th century
(Hope this helps)
The correct answer is c. <span>After overthrowing the Song Dynasty, he moved the imperial capital from Beijing to Mongolia
Kublai Khan was Mongolian himself, so a. would not make sense.
Kublai Khan move the capital to Shangdu initially, but later moved it to what is today Beijing.</span>
