Answer:
21:A 22:D
Step-by-step explanation:
hope that helps
A) 20+10h
You know that you have 20 inches to start with, then it will grow 2h four times, or 8h total. Then it will grow h 2 times, or 2h. You add the 20, 8h, and 2h, to get 20+10h.
Hope this helps!
Answer:

Step-by-step explanation:
Hi there!

Open up the parentheses

Combine like terms

I hope this helps!
V = s³. Therefore, s = ³√ V
Hope that helps you
-0.83 because that's the way to go