The average of Paula's two test scores must be 80 or more for her to get at least a B in the class. She got a 72 on her first gr
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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:
