What number makes the equation true? Enter the answer in the box. 5 = 45 ÷

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

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 $s$?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?