<em>Answer:</em>
<em />
(4+5)*2
<em>Hope this was helpful have a beautiful day!</em>
Answer:

Step-by-step explanation:
Since perimeter,
and we know that P=2(l+w) then 
The length will be 
Now 
Answer:
D
Step-by-step explanation:
bc it starts with -square root of 20 and then - square root of 6 and the 3.14 and then square root of 8 and then square root of 18