The perimeter of a square is 4 times as great as the length of any of its sides. determine if the perimeter of a square is proportional to its side length

Answer this question only if you know the 30 points and

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

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 $s$?