The standard equation of a circle with center (h, k) and a vertical axis of symmetry is (x - h)2 + (y - k)2 = r2. a circle's center is (3, −2) and the radius is 12. which equation models the circle

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?