Respuesta :

familyfam1604

16 = 0

17 = 1

18 = 10

19 = -4.1 ( -4)

20 = -5

I'm not sure if these are the answers but hope it helps some how!

samanthacase101003
16= (1,1)
17= (1,3
18=(10,0)
19= (4,1)
20= (5,0)