Cory predicts it will take him 64 minutes to travel to baltimore from washington d. c. if the trip actually took 74 minutes, what was cory's percent error? round your answer to the nearest tenth of a percent.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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.

An object in geometry with no width, length or height is a(n):