What is m
Round the value to the nearest degree.

To the nearest whole degree means that you look at the first decimal place.  If it is less than 5, you keep the whole number and eliminate the decimal.  If otherwise, the decimal is ≥5, you round up the whole number and eliminate the decimal.

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Step-by-step explanation:

BC = 22

Step-by-step explanation:

If angle C = angle B

then 2x-24=x-2

collect like terms

2x-x=-2+24

x=22