Which expressions are equivalent to 4(4x + 2y + X - y)? O 4(5x + 3y) and 20x + 12y
O 4(5x + y) and 20x + 4y
O 4(3x + y) and 12x + 4y
O 4(3x + 3y) and 12x + 12y

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