Francaises (plural and musique is feminine, so that’s why you add the e)
Answer:
nous commençons les problémes de maths
Explanation:
Nous is the premier personne du pluriel (first person plural) so in the present tense we add 'ons' to the root of the verb
17. Mon anniversaire est le 3 mars.
18 Je suis 20 ans.
Je suis = I am/ I was
J’ai = I have/ had
Be careful of the two