The volume of a cube is given by v = x3, where x is the length of an edge of the cube. the area of a square is given by a = x2, where x is the length of a side of the square. a given cube has a volume of 1,728 cubic inches.

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.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Express -5 2/5 as an improper fraction.