An atom of a certain element has 37 protons, 37 electrons, and a mass number of 85. How many neutrons are in this atom?

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset