Robin is using a pulley to lift a box, she pulls with a force of 155 N for 1.5 m. The box weighs 20 kg and moves up a distance of 0.6 (please show work)

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)