2x-4x+3=0 quadratic equation in appropriate

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 : )

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

What is the surface area of a cube with the volume of 729 ft?