A boat heading upstream (against the current) has a net speed of 80 mph, if the same boat heads downstream its speed is 110 mph. What is the speed of the current assuming it is less than the speed of the boat.

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

X+y=-4 x-y=2 use elimination with adding and subtraction

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct