Answer:
4.4
Step-by-step explanation:
16.8 was for 4 hour
divide 4 by 16.8
you get 4.2 per hour
so you need 1 hour
1 hour would be 4.2
temp would be -4.2 at 9pm

Differentiate both sides wrt
:

By the chain rule, we get


Solve for
:


Answer:
me too
Step-by-step explanation:
The closest distance is C. 12 feet