Es, esta
Ser describes what she is, a secretary.
Estar tells where she is, in the office.
Answer:
im not sure about #1 but i know #2 and 3
Explanation:
#2= ¿Sabes dónde está su nuevo software?
#3= cuidar
Answer:
The question is, "What is the analytical method in the field of accounting?"
Which the answer to this is, analytical procedures involve comparisons of different sets of financial and operational information, to see if historical relationships are continuing forward into the period under review. In most cases, these relationships should remain consistent over time.
Explanation: