We know that
the angle MOP is equal to arc MNP because is a central angle
the answer is
angle MOP=126°
Divide 2 by 5.
you get .4
to make a number a percent, you shift the decimal two placed to the right.
so 2/5=.4=40%
If the scale factor is positive than it is enlarged, and if it is a negative number than it is being reduced.