Plot A(8, -4), B(3, -4) C(7, 1) and D(7, -3) in a coordinate plane. Then determine whether AB and CD are congruent.

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?