Answer:
16
Step-by-step explanation:
-23, -20, -16, -10, -1, -1, 0, 0, 7, 10, 10, 11, 15, 16, 16, 17, 17, 17, 17, 19, 19, 22, 22, 24, 25, 25, 29, 35
1.5, 20, 40, 7.5
The first one is 1.5, the second one is 20, the third is 40, and the fourth is 7.5