Respuesta :

ehhna

Answer:

(-1,-6) (11,3) (7,0)

Step-by-step explanation:

3(-1)-4(-6)= 21

3(11)-4(3)= 21

3(7)-4(0)= 21

3(-3)-4(3)= -21

The answer is, (-1,-6), (11,3), and (7,0)