If HJ=2x+4, JK=3x+3, and KH=22, find the lengths of HJ and JK

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

Negative 5 1/12 + negative 4 1/4 + 6 3/4

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?