800 is to the nearest hundred
100% - 55.7%
= 100% - 55% - 0.70%
= 45% - 0.70%
= 44.30%
-----------
This means that the probability of selecting a female student at random is 44.3% as a percentage.
For this case, the first thing to do is to observe that the figure is symmetrical with respect to the FH axis.
Therefore, the following lengths are the same:

So, by equalizing both sides we have:

From here, we clear the value of m.
We have then:


Answer:
The value of m is given by:

Please explain more your question
Answer: A, C, and D all round to 5.6