the formula is f=(c*20)+30 so 14 degrees farhenhight
6÷2(1+2) = 6÷2*(1+2) = 6÷2*3 = 3*3 = 9.
Answer:

Step-by-step explanation:
We want to simplify:

The trick is that when a negative index in the numerator comes to the denominator , it becomes positive.
The vice-versa is also true.
That is:

and

We simplify to get:

The last choice is correct.
I think the answer is 1/12 im not sure i hope this helps tho ∩_∩❤️