Respuesta :

TheAnimeGirl

Solution,

P={7,8,12,19}

Q={12,15,17,19}

P U Q={7,8,12,19} U { 12,15,17,19}

={ 7,8,12,15,17,19}

P-Q={7,8,12,19}-{12,15,17,19}

={7,8}

Hope it helps

Good luck on your assignment