Which inequality is represented by the graph?

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

What is the simplified expression for 6(2(y+x))

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