The answer is 60 Fahrenheit
This is a simple "solve for x" equation.
5k-2k=12
3k=12
k=4
You should try doing some more on your own, as this will be coming up a lot in the future.
I think it would be any number closest to 30,000 so maybe 29,900. Hope it's correct.
The answer to your question is c
135 degrees since all of its sides are congruent.
1080 divided by 8 equals 135 degrees