I'm not sure but I hope this helps
4+8x and 4 (2x+1)
4+16 and 4 (4+1)
20 and 4 (5)
20 and 20
The word that describes it is congruent
Answer:

Step-by-step explanation:
Subtract the 4 from 9
The circumference, C, of a given circle may be calculated through the equation,
C = 2πr
where r is the radius.
Substituting the known values from the given in this item,
C = 2(π)(5 in)
<em>C = 10π in</em>
Thus, the answer is this item is the second choice.