Fine the scale factor of the smaller figure to the larger figure

Select a graph that have an equation with a < 0

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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?