8x - 2 - 7 x = -9 what is the answer

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

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 $s$?