Jeff bought 7 pounds of chocolate
and spent $889. How much is one
pound of chocolate?​

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

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 $s$?