Sally is making a relief map of Indiana. Her map is 6 inches wide and 11.5 inches long. If Indiana is 140 miles wide, what is the scale factor of the model?

On a piece of paper graph f(x)=5•(0.4)^x

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

How can you tell when x and y are not directly proportional?