Four friends aré baking bread they equally share 3 sticks if butter which expression can he usted yo find then fracción of a stick of butter that each friends uses

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Which statement about perfect cubes is true

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.