Ineed with 1,2 and 3 pls show work and how you got the answer‼️‼️‼️‼️‼️

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

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

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.