Answer:

Step-by-step explanation:

Answer: centroid
Reasoning: The centroid is the point of concurrency of the three medians in a triangle.

When 0 is in the numerator, then the whole fraction becomes equal to 0.
However if 0 is in the denominator, then it is undefined.
Let x = the smaller numberLet 3x + 15 = the larger numberx + 3x + 15 = 634x = 48x = 123(12) + 15 = 51