Which is one way to check out the answer to 120 ÷ 4 = 30?
a. 120 × 4 = 30
b. 30 × 120 = 4
c. 30 ÷ 4 = 120
d. 30 × 4 = 120

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?