Please help me find lower qaurtile of a histogram

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left