Please help! Spanish Conjugations!

What are the conjugations of SER and ESTAR in Spanish?

"in english, write six to eight sentences comparing cultural aspects of greetings in spanish-speaking countries with greetings in your own culture. use what you learned in the lessons to tell about three differences and three similarities. discuss non-verbal greetings and how respect is shown. you may also include verbal greetings, but do not simply translate phrases from one language to another."

7. choose the answer that best completes the sentence. (estudiar) para el examen. (2 points) a: estudias b: estudia c: estudiamos d: estudio

No sé si voy a ir a las montañas. a. es mejor que vayas a las montañas. b. es mejor que vas a las montañas. c. es mejor que no ir a las montañas.