Hi if anyone is active can you tell me how to find the distance i’m kind of struggling in the unit of math:( Find the distance between: -14.5 and 13

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Need on this one asap im almost done with this subject

17 in long 1.3 ft wide and 8in high what is the volume