When It's subtraction, add the opposite. So it becomes 4 + -5, which is negative 1. So keep the first number the same, change the sign to addition, and flip the sign on the other number.
Answer:
270
Step-by-step explanation:
2 hours and 25 mins
from 2:30-4:55 would be 2 hours and 25 mins
Hope that helps!
∠2 = 115°
Is the required answer.
