## Algebra 1

$85, 82, 83, 84, 80, 82, 86, 85, 83, 84, 81, 82$ $80, 81, 82, 82, 82, 83, 83, 84, 84, 85, 85, 86$ With 12 points, we can have 4 intervals (80-82, 82-84, 84-86, 86-88).