Each marble bag sold by ann's marble company contains 3 purple marbles for every 4 yellow marbles. if a bag has 36 yellow marbles, how many purple marbles does it contain?

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 : )

Which function is represented by the graph? a. f(x)=|x-1|+3 b. f(x)=|x+1|-3 c. f(x)=|x-1|-3 d. f(x)=|x+1|+3

What is 60.9643790503 to 5 decimal