Add the two expressions. 8k + 4 and 3k + 8

Show me how you find x and determine what x is you i appreciate it : )

State if the two triangles are congruent. if they are, state how you know?

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