Please answer I need help big time. (Math/Chem)

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Which function has the domain x> -11?