Answer:
s=x/3+10/3
Step-by-step explanation:
recall, slope = rise/run, and that a fraction is undefined when the denominator is 0, meaning this slope has a run = 0.
to make it short, when the slope is undefined, is a flag that we simply have a vertical line. Check the picture below.
I simplified the expression and the answer is 17
A i think im not really sure im also thinking it might be B