According to frederick douglass, slaves sang while they worked
a. their masters did not like it when slaves were silent
b. singing made the work go faster
c. they wanted to keep their heritage alive
d. they were exuberant on allowance day

Say a certain manufacturing industry has 63.1 thousand jobs in 2008, but is expected to decline at an average annual rate of 1.7 thousand jobs per year from 2008 to 2018. assuming this holds true, what will be this industry’s percent change from 2008 to 2018? a. 70% b. -27% c. -17% d. -75%