Y=x-5 and x+2y=-4 solve these linear equations

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Are the corresponding angles congruent? explain why or why not.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )