Can someone help me pick the correct answers

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75