Which expression is equivalent to , if y ≠ 0?

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

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?