Question

please help me on test i give you brainlist ift answer it rite​

Answer 1

Answer:

16) 10,12,14

17) 20,15,10

18) 3.5,4,4.5

19) 20,24,28

20) 3,3 1/2,4

Answer 2

In number 18 its only answer and im not really sure if its the answer

But hope it help