Answer:
"Ir a” is somewhat less frequent overall and found especially in casual speech, while the inflected future is found in all varieties especially formal writing. But both are commonly used, and of course easily understood. As other answers note, the difference is similar to English “will” vs. “going to”, although I will add that the inflected form in Spanish, I believe, has a bit more of a formal tone so “ir a” would be preferred, whereas English “will” is a bit more neutral
The balboa and they use the United states dollar
B. Sacapuntas, it means pencil sharpener while the rest relate to computer.
1.Ramón tener que comprar más servilletas de papel2.Beatriz y yo debería ayudar en la cocina3.Tu tener que hacer la tarea de español5.no debería ver mucha televisión