In order for a story to be considered professional news, journalists should: A.
Dress as professionally as possible
B.
Back up their claims with data and documentation
C.
Make the most compelling points possible
D.
Write in a way that convinces their readers of their opinion

Find two rational expressions that have the difference of 2-n/n-4

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

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 $s$?