Answer:
I think standard form would be best because it is simplest.
Step-by-step explanation:
hope this helps
Answer:
This is a rectangle
Step-by-step explanation:
2D shape with 4 right angles would be a rectangle because 2 sides are equal and the other 2 would be equal to give you 4 right angles
Just take the answer of the subtraction problem and add it to the other number for an answer Example h-7=14 14 + 7=21 h=7
<span>2a(7a²-3a+9)
=14a^3 - 6a^2 +18a
answer is </span><span>D. 14a³-6a²+18a</span>
