Ellen just got a new supervisor. How can she establish good communication habits with her supervisor? a) Constantly check in with her supervisor b) Show her emotions freely c) Take notes during conversations Od) Ask her supervisor a lot of personal questions

Step-by-step explanation:

what kind of math question is that ?

in general life a) and c) would be the best answers (if you can select multiple answers).

if only one, I would recommend a)

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb