How does a "for every" statement show a ratio comparison? answer its so late where i am and im tired

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

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