Please help. Only answer if you know, please.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

The graph of a curve that passes the vertical line test is a:

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?