Cual es la, funcion quimica q pertence a oxido mercurio

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”?

What is the discriminat of 3x^2+6x=2

What are some things that your friends did this week? write 5 complete spanish sentences describing what they did. don't forget to conjugate your verbs in the preterite tense! (use only -er verbs) pay attention to (a) use of correct preterite form of the verb, (b) appropriate vocabulary usage, and (c) overall quality of each response. *note: this is a practice activity. completing this activity will not only prepare you for future tests and assessments but, more importantly, it will enhance your language ability. this activity will not count towards your grade.