Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.
It’s B because they both equal each other I would explain more but I’m in class but the answer is definitely B
Step-by-step explanation:
-2.21z + 1.82a - 3.38
I think this is the answer
The answer is A. It is .015 between .19137 and .17637 and also between .17637 and .16137.
Hope that helps