Annual precipitation amounts in centimeters are shown in the table for four environments. Which environment experiences the least humidity?

The difference between the observed value and the mean of the set of values is a

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.