Please help it’s word problems, 30 points and brainliest if you give answers

Answer:
for 3c it's After Edgar's 9th quiz he would have a grade of 89%
Step-by-step explanation:
It is going up by 4 everytime so...
57,61,65,69,73,77,81,85,89
1. 2. 3. 4. 5. 6. 7. 8. 9.
(Sorry but it's hard to read)