Question

Few math questions TIME IS RUNNING OUT!! PLEASE HELP!!!!

Answer 1

1.

$|5+6x|\ \textless \ 13\\\\-13\ \textless \ 5+6x\ \textless \ 13$

so

$\begin{cases}5+6x\ \textless \ 13\\5+6x\ \textgreater \ -13\end{cases}$

Answers B and D.

2.

$|x+9|\geq11\\\\x+9\ \textgreater \ 11\qquad\vee\qquad x+9\leq-11\\\\ \boxed{x\geq2\qquad\vee\qquad x\leq-20}$

Answer D.

3.

The same as point 2. Answer D.

4.

Answer C.