I need help pls and thank you

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

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11