If the bus starts at 6am and runs every 35 minutes what time will i catch the bus if i get there a little past 4

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.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?