Can someone answer this and tell me where some of them go?

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 is the length of the unknown leg in the right triangle ?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3