The aswer would be B because you have to divide a couple numbers to get 20in.
Answer: (2, 6.5)
<u>Step-by-step explanation:</u>

Answer:
b because first u need to remove the parentheses then u disturbe
Answer:
D
Step-by-step explanation:
We have the expression:

First, let's distribute the negative on the right. This gives us:

Now, let's combine like terms:

Add:

Subtract:

Simplify:

So, our answer is D.
And we're done!