Answer:
Estaban.
Explanation:
8. Ustedes __________estaban _____________ c<u>a</u>nsados.
...
7. trabajadoras
8. trabajadores
9. trabajadora
10. guapo
11. guapos
In Spanish, the adjective has gender and number, and it´s the gender and number of the subject of the sentence.
So:
7. female and plural
8. male and plural
9. female and singular
10. male and singular
11. male and plural
10
10²=100
So 100 - 100=0
B
