lucy cuts 4 squares with side length x in. from the corners of a 6 in by 9 in cardboard rectangle. She folds the remaining cardboard to make a tray that is X inches high. Right and simplify a polynomial function for the volume V of the tray in terms of X

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?