What can you determine about the number of terms of the sum? The maximum number of terms of the sum is , but it could be less.

The answer would be a (carbohydrates)

Probably the price and the type of car he is looking for

Iwould describe it as an overall negative image of themselves.  because they are anorexic, they must sometimes look at themselves as overweight or even obese. however, other people may comment on the being to skinny, which may cause them to see themselves as too skinny at other times.