Answer:
341°
Step-by-step explanation:

Angle 1 and 3 are equals and 2 and 4 are the same
The answer is a because you add the same variables and 5x stays the same
2.5 what just use the formula pi•(4/3r•r)
Given:
15 students
average grade: 80 for 14 students
average grade: 81 for 15 students
80 * 14 = 1120
81 * 15 = 1215
1215 - 1120 = 95
Payton's score on the test is 95.