A tennis player is standing 12 meters from the base of the net when he hits the ball. the ball passes over the net and lands on the other side 6 meters away from the base of the net. if the height of the net is 1.5m , find the height of the ball when its struck by the player? A) 3.5m
B)4.5m
C)4.0m
D)4.25m

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?