Please help me i’ll give brainlist

Can someone answer this pls ill give brainliest both ser and estar mean ‘to be’. in what situations do we use estar? estar, venir, and ir are considered irregular verbs. what makes a verb “irregular”?

On sunday, january 2 is of the month. january 2 is sunday and the celebration of independence in my country. what kind of day is sunday january 2? the festive week the new year the eve of the year holiday

Escoge la frase que contiene un verbo recíproco. choose the sentence that contains a reciprocal verb. los ni? os se despiertan a las 8 para la escuela. mi familia y yo nos acostamos antes de las 10. los ni? os se ayudan cuando trabajan en equipo. mi familia y yo nos lavamos las manos antes de comer.