Answer:
-15 is colder than the others
Step-by-step explanation:
It is colder because it is in the negatives but it also has a higher absolute value
2500 * 0.9 = 2250
2250 * 0.9 = 2025 current stock
A.
B.
It's a minimum, becuase .
C.
The axis of symmetry is . So, in this case, it's .