the correct answer is, B.
41
Answer:

Here,
represents temperature and
denotes rate of chirping per minute.
Step-by-step explanation:
Let
represents temperature and
denotes rate of chirping per minute.
At
°F, a certain insect chirps at a rate of
times per minute.
Take 
At
°F, they chirp
times per minute.
Take 
Slope intercept form:


The greatest common factor is 12 because 12 times 3 is 36 and 12 times 7 is 84.
Hope this helps! :)
Step-by-step explanation:
slope= <u>y</u><u>²</u><u>-</u><u>y</u><u>¹</u>
x²-x¹
<u>-12--6</u>
5-2
-12+6