Please answer and show your steps

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

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

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180