Find the absolute value of 3.7

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.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

What is the measure of angle tvu shown in the diagram below