What is the slope of a line that is perpendicular to 3x + 5y = 15 and passes through the point (0, 2)?

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

Which expression is not a polynomial?

∆red ≅ ∆ by rule will give brainiest if possible