Ian invested $500 in an account paying an interest rate of 9 % compounded daily. Brianna invested $500 in an account paying an interest rate of 82% compounded
continuously. To the nearest hundredth of a year, how much longer would it take for
Brianna's money to triple than for Ian's money to triple?

What is the base of 1/9 to the power of 2

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.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?