The number 5 was written to the left of a certain three digit number and number 3032 was subtracted from the derived four digit number. the result was a difference 9 times greater than the three-digit number. find the three-digit number.

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?