The table represents a Linear function, what is the slope of the function?

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

15/16 as a decimal rounded to the nearest hundredth