-12=x/13 what is x? I need help

100 points, hi, i’m not sure how to get the equation from the graph and table.

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost