Hoy (1) (es/está) el 3 de julio y voy a París por tres semanas. (Yo) (2) (Soy/Estoy) muy feliz porque voy a ver a mi mejor amiga
. Ella (3) (es/está) de Puerto Rico, pero ahora (4) (es/está) viviendo en París. También (yo) (5) (soy/estoy) un poco nerviosa porque (6) (es/está) mi primer viaje a Francia. El vuelo (flight) (7) (es/está) hoy por la tarde, pero ahora (8) (es/está) lloviendo. Por eso (9) (somos/estamos) preocupadas, porque probablemente el avión va a salir tarde. Mi equipaje ya (10) (es/está) listo. (11) (Es/Está) tarde y me tengo que ir. ¡Va a (12) (ser/ estar) un viaje fenomenal!
In general terms, “ser” is used to refer to facts and characteristics and “estar” is used to describe perceptions and opinions, but the use of the two verbs is much more complex than it seems at first sight and each one has uses specific and special needs to be learned.
They are the same. 1 Panamanian Balboa is equal in value to the US dollar. This changed throughout history but never too much. You can however still use regular US dollars to pay for things in Panama and the merchants won't bother you about it. This is because of historical events and colonization and freedom of panama and it's relations with the US.
Estamos: we are estas: you are estan: they are The question says where are Maria and Adela? You should change “Maria and Adela” to they, do the third option is correct.