Answer:
The temperature at 5 am is 16 degrees below zero.
Step-by-step explanation:
The temperature at 2 am is 9 degrees below zero:

Since at 5 am the temperature had dropped by an additional 7 degrees, we have:

Therefore, the temperature at 5 am is 16 degrees below zero.
I hope it helps you!
Answer:
x^2 + 8x+16 is (x+4)^2
Step-by-step explanation:
Answer:
b. 119
c. 119
Step-by-step explanation:
Your answer is 0.40 ......................