I will give brainiest whoever is right thanks :)

Write 17/20 as a decimal and as a percent.

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 : )

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!