Which angles are supplementary? a) Angle 1 and 6
b) Angle 2 and 8
c) Angle 3 and 2
d) Angle 1 and 8

In 2014, the three largest economies in the world were (listed in order, from largest): a) the u.s., china, germany. b) the u.s., china, japan. c) china, the u.s., japan. d) china, the u.s., germany.