The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

15 points ! ~ see if you know the answer to both you!

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.