Me.
1.the value of -8/15 x 20/64 is
a. -1/6
b. 1/6
c. -2/3
d. 2/3
2. find -8 ÷ -1/2.
a. 1/16
b. 16
c. -1/4
d. -4
3. find -3/7 ÷ -1 1/14.
a. 2/5
b. 2 1/2
c. -2/5
d. 45/98
4. estimate -12 4/9 x 5 7/8.
a. 72
b. -72
c. 78
d. -78
for ?

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?