It means house, hogar is home
B (rico) because this adjective is supposed to end in "a" because "a" is female and when all adjectives are in "a" the others are also supposed to be the same.
Universisdad del Turabp de Ana G. Mendez
espero estar en lo correcto :))
<span>Nosotros estamos escribiendo cartas.
(We are writing letters.)</span>