Which of the following is/are typical example(s) of costa rican cuisine?

Choose the best spanish equivalent to the phrase. they know the old salesman. conocen al vendedor viejo. saben al vendedor viejo.

Which pair of verbs correctly completes the sentence? carolina: mi amigo ramón de guatemala y ahora trabajando en los estados unidos. a. es, es b. está, está c. es, está d. está, es

Astudent requires 2.00 l of 0.100 m nh4no3 from a 1.75 m nh4no3 stock solution. what is the correct way to get thesolution? use m; v; = m. ve1o measure 114 ml of the 1.75 m solution, and dilute it to 1.00 l. measure 114 ml of the 1.75 m solution, and dilute it to 2.00 l. measure 8.75 ml of the 1.75 m solution, and dilute it to 2.00 l. o measure 8.75 ml of the 0.100 m solution, and dilute it to 2.00 l.