How do you say what's wrong in Spanish

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”?

Which verb form best completes this sentence? mis padres el talento de caravaggio. a. admiramos b. admiran c. admira d. admiro

If the pants costs $233 how would you respond to the question ¿cuánto cuestan los pantalones?