Can someone please help and if you’re correct i’ll give brainliest

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.

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.