Alaptop computer is purchased for $1100 . after each year, the resale value decreases by 25% . what will the resale value be after 4 years?

Which expression will have the same sum as 3_8 + 1/4?

Is it greater than or less than7*3_9*2

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?