You take 187 away from 2431
This is simple. It is 7 factorial, or 7!. This just means 7*6*5*4*3*2*1, which is 5040.
The answer is reflective property because as you can see MNG is a reflection of KJG off of the median G it wouldnt be ASA cause theres only one angle on both sides and it would be AAS because again theres only one angle and there is no third angle so third angle theorem is out of the picture
Ratio of corresponding sides of triangle a to triangle b is a/b