Answer:
2:1 =36mm: x m
2/1 = 36mm/ m......(Criss cross)
36mm x 1M/2mm = 18 Meter
14.6 is the constant because no matter how many hours she will work (that number could change) it will always be a linear growth of 14.6.
The answer is B, because polygons can only be congruent if the side length and angle measurement (Parts) are the same.