Respuesta :
29. Since the subject is nosotras, then therefore estar would be conjugated to estamos. (Though estar is a special word)
30. Since the subject is ella, then therefore tener would conjugate to tiene. (Also a special word)
31. Nosotras is the subject, so tener would conjugate to tenemos
30. Since the subject is ella, then therefore tener would conjugate to tiene. (Also a special word)
31. Nosotras is the subject, so tener would conjugate to tenemos