Cindy claims that 4^x/12^x=1/3

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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 : )