B) 16a+20
That’s the answer.
You can find it North and south hope this helped :)
By subtracting the given addend to the sum, we see that the other addend is:

<h3>
How to get the other addend?</h3>
We know that the sum of two polynomials is:

One of the addends is:

To get the other addend, we can subtract the given addend to the sum:

Then we can conclude that the other addend is:

If you want to learn more about polynomials:
brainly.com/question/4142886
#SPJ1
Answer:
2827.4ft.^3
Step-by-step explanation:
Volume of a Cone:
V = πr^2 h/3
V = π·15^2·12/3
= 2827.43339
Rounded to the nearest tenth = 2827.4ft.^3
Hope this helps :)