18 degrees F because
it dropped 12 degrees=10 hours
x degrees=15 hours
x is what you want to find out which is how many degrees it would drop in 15 hours.
12x15 then divided by 10 is 18.
Answer:

Step-by-step explanation:
You factor out the common term first.
You should get the equation below.

then you get rid of the negative inside
and will be simplified to this.

Graph 1 would be the answer
Answer:
Width = 9ft.
Length=22ft.
Step-by-step explanation:
I don't have the ranges of numbers to see which range so clearly it's impossible to answer