Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side. the area of the smaller lawn is 144 square feet. in the equation
(x – 8)2 = 144, x represents the side measure of the original lawn.
what were the dimensions of the original lawn?
4 feet by 4 feet
8 + feet by 8 +
8 feet by 8 +
20 feet by 20 feet

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?