Which axiom would justify the following conclusion if x + 4 = 12, then x = 8

If u give wrong answer ill report u : )

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)