HELP ITS PAST DUE DATE AND I ALREADY HAVE AN F PLEADE HELP

With math question will mark brainliest question in the pic.

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

Which of the following best describes the figure?