Answer:
A
Step-by-step explanation:
A secant is a line that goes through a circle at two points.
Given data:
The given table.
The expression for the average temperature is,

Thus, the value of x is 86 degree Fahrenheit.
I had this question today. I believe its either D or C, but my friend told me it was D. So, I think it's D. I hoped if this helped you or not. If you get it wrong Im very sorry so it would've been C.