Will give 20 !
the graph shows two lines, a and b. based on the graph, which statement is correct about the solution to the system of equations for lines a and b? (4 points) (1, 2) is the solution to both lines a and b.
(–1, 0) is the solution to line a but not to line b.
(3, –2) is the solution to line a but not to line b.
(2, 1) is the solution to both lines a and b.

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?