Can someone plz me with this problems

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

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?