Answer: I don't think these are the right answers, if you substituted them they all don't add up, are these exponents?
Step-by-step explanation:
The answer is b
Its b because you distributed
4(4a+5)
You multiplied 4x4a and you got
16a+4(5)
Which 4x5 is 20
So its 16a+20
Do you have a picture to show the question