Drag each graph to the correct location on the table. The points on the graphs represent relations. Classify these relations according to whether or not they are functions.

To find the  unit rate, divide the numerator and denominator of the given  rate  by the denominator of the given  rate. so in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the  unit rate.