Here's the question ​

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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.

Through non-collinear points there is exactly one plane.