Az score of 2.0 came from a distribution with a mean of 80 and a standard deviation of 10. what is the raw score?

How do you solve a question like this?

What is the measure of the smallest angle in the diagram? 15 29 32 45

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.