Marie mixes 16 liters of 78% acid solution with a 25% acid solution to make a 41% acid solution. how many liters of 25% solution did she use? 8 liters 12 liters 13.7 liters 37 liters

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

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