Asap which postulate or theorem proves that these two triangles are congruent

Question and answers are in the attached picture. you so much in advance.

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

What value of x is in the solution set of 4x – 12 s 16 + 8x?