How many times greater is the area of circle b compared to the area of circle a

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1

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?