Law of cosines: a2 = b2 + c2 – 2bccos(a) what is the value of n to the nearest whole number? 18 22 29 41

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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?