Answer:
La profesora siempre escribe las palabras nuevas en el pizarrón.
The teacher always writes the new words on the board.
The answer that i would say is d speed(distance), or S(d)
En el Dia de Reyes los niños reciben regalos.
Translation: On three kings day kids receive gifts.
Answer:
I think it is "tengo que estudiar"
Explanation: I'm not very sure.