Ethan is painting his deck. The deck was built around a tree, so there is a square hole in the deck that is 4 ft by 4 ft

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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