Given the polynomial 21x4 + 3y - 6x2 + 34:
What polynomial must be subtracted from it to obtain 29x2 - 7 ?
What polynomial must be added to it to obtain a first-degree polynomial?

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.