Ordena de mayor a menor las cantidades veinte siglos ,3500, años ,año 1328,siglo XV, año 2007, 100 cromes

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Factor the polynomial by its greatest common monomial factor.