The cylinder shown has a volume of 862cubic inches. a. What is the radius of the cylinder? Use 3.14 for piπ. b. If the height of the cylinder is changed, but the volume stays the same, then how will the radius change? Explain.

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?