Answer:
14.6
Step-by-step explanation:
(231 - 158) / 5 = 14.6
.85%
You add up all the students who have an A whether they are male or female. 3 + 17 = 20. You have 17 males right? Divide 17 by 20 to get .85
- Decreasing
im not sure of the last two but the others are for sure a no