Math is the process of using the given information, along with
all the general stuff that you know, to find the missing information.
With no given information, we have no way to even guess at
an answer.
A medulla is a group of cells that are going through hair, forensic scientist use it to find out the pigment, (color), and the shape.
Answer:

Explanation:
Multiply right stide by "EFG", left side will be only ABCD. Then devide right side by "ABC", leaving left side as just D. Cancel out numbers both in numerator and denominator of right