What is y? make sure to show all your work for full points

4+6x-3x^3 in standard form with explanations because i don’t understand

The heaviest 16% of all men in weight weigh more than how many pounds ?

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