Question 7 Which polynomial is equivalent to this expression if n is not equal to -1?
3+n-2n^2/1+2
A) 2n - 3
B) 3 - 2n
C) 3 - 2n^2
D) 4 - 2n^2

Which system of linear inequalities is graphed? can somebody please

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

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 : )