Pl shelly looks at the blueprint plan of a four-walled room in which the walls meet each other at right angles. the length of one wall in the plan is 18 inches. the length of the diagonal of the floor of the room in the plan is approximately 15.26 inches.

is the room in the shape of a square? explain how you determined your answer. show all your work. (10 points)

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new 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 size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.