Of these four words, which one is the most likely to have a negative flavor or implication

At a price of books will be both supplied and demanded. $10 $20 $30

How many speedboats are there in the avakin life's paradise island social spot?

Ireally, really need with this asap. i don't understand spanish prepositions and when they should be used. the questions are:fiesta con juan el fin de semana pasado. el parque está casa. es una lástima que haya tantos lago. el jefe quiere inmediatamente. the answers can be one of the following: en, con, de, a i will award !