William has a 26-liter glass tank. first, he wants to put some marbles in it, all of the same volume. then, he wants to fill the tank with some water until its comepletly full. if he uses 85 marbles, he will have to add 20.9 liters of water. what is the volume of each marble? and how much water is necessary if william uses 200 marbles?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length