Dos espejos planos se forman entre si un ángulo
de 90°. un objeto puntual luminosa se coloca
entre elles ¿ cuantas imagenes se formaron?

in my opinion, anyone should be allowed to marry as long as it's not going against any laws. though i kind of contradict myself because i know that in some states and countries, gay marriage isn't legal yet- hopefully you get my point.

(4) "oh, i've got better plans than that," laughed kerry. "i've got four firecrackers and two model rockets. care to join me in the backyard? "

this is the correct answer because of one simple word. "backyard"

you did not put the article. so i cannot answer the question.