Which set of ordered pairs represents a function?
{0, 1), (1, 3), (1,5), (2, 8)}
{(0, 0), (1, 2), (2, 6), (2, 8)}
{(0, 0), (0, 2), (2.0), (2, 4)}
{(0, 2), (1, 4), (2,6), (3,6)}

Name the most appropriate metric unit for each measurement like a length of an carrot

Determine the relationship of ab and cd given the following points

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