It a bc i said so hahahahaha
Answer:
1 A= pi 21^2
2 C=pi 21
3 A= pi 10.5^2
4 C= 2pi 10.5
Step-by-step explanation:
It looks like the answer is D) 4.
From C to D is 2, from B to C is 2.
2 + 2 = 4
So, 4 is the answer.
Hi there! The answer is B.

First we work out the parenthesis, which is easy because we can just remove them.

Now rearrange our expression (in order to collect terms later).

Next up is collecting the terms.

The answer is B.
~ Hope this helps you!
Answer:
here you go!!
Step-by-step explanation: