Which is the correct plural form of the phrase la maestra estricta

a)
la maestra estricta

b)
la maestra estrictas

c)
las maestras estricta

d)
las maestras estrictas

i'm glad, because you've also been promoted. mr. pardo, your partner told me you want to talk to me. congratulations, mr. ferrari! now go to rest because tomorrow a long day awaits you. yes. i want to congratulate you on that project, mr. ferrari. it was approved by the executives of the company. you. do you want to tell me about the project i presented to the company? that is excellent news! did all the executives like it? that's another excellent news, mr. pardo! everyone, without exception. we believe that the project will be a success and we want you to start working on this tomorrow. do you agree? yes of course! that's right, mr. ferrari. come in and take a seat, .