Solve the following system of equations.
8x+3y=18
-7x-4y=-13
x= y=

9/10 divide by -3/15 as a mixed number

Write the equation in logarithmic form 8^x=64

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 $s$?