Answer:

Step-by-step explanation:

Hope this helps!
6a³-18a²-1620a
Collect 6a:
6a(a²-3a-270)
6a(a-18)(a+15)
Answer:
Step-by-step explanation:
Nope<3;p
Answer:
lost 120
Step-by-step explanation:
10% of 1200 is 120 so you subtract 120 from 1200
<h3>
Answer: Choice D. 
</h3>
This is because we want to avoid having negative numbers under the square root. So we make the radicand to be 0 or larger.
The +1 at the end doesn't affect the domain.