Answer:
4
Step-by-step explanation:
-2a + 3 + 2a + 1
4
Co-terminal angle = 456 - 360 = 96 degrees
The cookies because if they have 100°C, after 30 seconds it loses half it‘s heat and now it only has 50°C.
After the next 30 seconds it loses again half the heat so it‘s 25°C.
You can theoretically continue this forever. It‘s exponential decay.
Frac. = 7/200
Dec. = 0.035
