Answer:
0.625%
Step-by-step explanation:
I took the numbers and round them up to make the exact answer.
b
11+9=20
(11)^2-(9)^2=40
121-81=40
40=40
The answer is √5
That's it
3/4-1/2=1/4 4/5-3/15
3/4-1/2
=3/4-2/4
=1/4
4/5-3/15
=4/5-1/5
=3/5
Answer: 13609
Step-by-step explanation: hope this helps!