You randomly choose one of the chips, Without replacing the first chip, you choose a second chip. For the probability of choosing the first chip, then the second chip.

Does anyone know how to do geometryme with this problem

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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 : )