Y = 3x - 4
y =- 1x +4

Rewrite the following without an exponent. (5/8)-1

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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 $s$?