A map of the southeastern United States has a scale of 2 inches = 50 miles. The distance on the map from Jacksonville, Florida, to Atlanta, Georgia, is 14 inches. What is the actual distance from Jacksonville to Atlanta?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Is the figure congruent? yes or no?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.