Help plz i don’t understand this a step by step equation would be nice

Can someone me with my hwplz(only the circled ones)

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

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