What adds to 5 and multiplies to -6

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Which of the following best describes the delian problem?

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 : )