Answer:12 is the answer for your question
divide the ratio be common factors. for example, 4.
168 : 56
42 : 14 divide by 7
6 : 2 divide by 2
3: 1
The answer is three
That's the last one because you can factor to get
(x + 8)^2 = 36
(x + 8) = +/- 6
The answer is A dijddndndnbdbdbf