12x-20y=180 slope-intercept form

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

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?

If there are 825 students at cherry hill high school and 4 out of every 5 students voted in the student council election, how many students voted?