Show all work to solve the equation for x. if a solution is extraneous, be sure to identify it in your final answer.
square root of x+7-1=x

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 : )

What function has a range {yly< 5}? question on picture above^

3x = 729 solve for x plz . it's urgent. will mark