Answer:

Step-by-step explanation:
I can't write interval notation on Brainly but I can solve the inequality.

<em>Subtract </em>
<em> from both sides</em>

<em>Subtract 4 from both sides</em>

<em>Divide both sides by 4</em>

Answer:
Eminem
Step-by-step explanation:
Answer:
$420
.8 x = 336
x = 336/.8
X=$420
Step-by-step explanation:
Answer:
x² + 27x + 180
Step-by-step explanation:
(12 + x)(15 +x) = 12*15 + 12x + 15x + x² = x² + 27x + 180