117 over 200 as a percent

Can someone me out here and the tell me the greatest common factor

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement