4x+4 you have to distribute it
-30a^5*b+12a^4b^2+6a^3b^2+10a^3b^2-4a^2b^3-2ab^3
Answer:
A
Step-by-step explanation:
You don't know whether they're all 90 degrees because we don't know about AB and CD.
Answer:
Arithmetic, add 3 each time
Oof I was going to answer this but it got me confusion.
