In golf, scores that are under par for the entire round are shown as negative scores, positive scores are shown for scores that are over par, and O is par. Player A was
the winner of the 2014 golf tournament. Her scores were -4, -3, -2, and - 4. What was her overall score?
The overall score of player Awas
(Simplify your answer.)

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.