Which of the following shows the length of the third side, in inches, of the triangle below?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

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 : )