Macroeconomic help. please show work so i can see how to do it.

QUESTION 16 To be counted as unemployed a person must 0 have had a job sometime in the past. be actively looking for work. Q be a discouraged worker. QUESTION 17 If the working-age population is 5 million, the labor force is 4 million, and the number employed is 3 million, what is the number of unemployed persons? 1 million 0 2 million 0 3 million 0 4 million QUESTION 18 If the workingage population is 5 million, the labor force is 4 million, and the number employed is 3 million, what is the unemployment rate? (Q 25 percent 0 33.3 percent 0 75 percent 0 80 percent QUESTION 19 If the worldng-age population is 5 million, the labor force is 4 million, and the number employed is 3 million, what is the labor force participation rate? Q 25 percent 0 33.3 percent 0 75 percent (9 80 percent