Does anyone know how to do this I’ve been trying for hours and I can’t find anything to help me?

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

What value of x will make the triangles similar by the sss similarity theorem?

Ineed with this problem 21 show steps