First of all what answers are there
The scale of a drawing is the RATIO that all parts of an object are reduced or magnified by
so the line is dog so we know the full line is 60 units long. The 2 parts (do and og) add up to the full length so we can make the equation:
(4x-3)+(2x+21)=60
6x+18=60
6x=42
x=7
if you need to fine do or og, just plug in x to its equation
C because
5^5 same as 5x5x5x5x5
=3125