11.   Derivatives are contracts whose values are tied to an underlying security, such as a foreign currency or a bond.

12.   Each was tied to a specific flightline squadron as its internal customer.

13.   Excellence at the top, in short, is intimately tied to the collapse of literacy levels at the bottom.

14.   Executives are given head-count-reduction targets by their boards, and sometimes financial incentives are tied to reaching the targets.

15.   He had walked across the rugged little valley, leaving his horse tied to a tree near the Round Tops.

16.   He tied it to the hanging bell rope.

17.   He tied me to a post in the midday sun and ordered me to repeat his name ten thousand times.

18.   He was beaten, set on fire, and cast into the River Enns with a rock tied to him.

19.   He was Martyred when thrown into the Black Sea with an anchor tied to him.

20.   Her horse was tied to a tree.