Answer: D: 18.84
Step-by-step explanation:
Answer:
yea it looks like it
4.4
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
the answer would be 1,-8
.