Easy algebra 2 question can someone please answer it asap

  1. 11992471_1680234758877590_1286282169_n.jpg 11997205_1680233692211030_121983396_n.jpg Write an equation of a line with slope 0. Describe the graph of the equation.

  1.  Use the information about the grade of a road on page 71 to explain how 
    slope applies to the steepness of roads. Include a graph of y = 0.08x, which corresponds to a 
    grade of 8%. 

Pictures of page 71 are uploaded