Ann has 3 kg of flour. She buys 2 more packets of flour, each of mass m kg. a. Find the amount of flour Ann has altogether in term of m. b. If m = 2, how much flour does Ann have altogether?

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?