Can someone ? it is input and outputs

Dilations map circles to circles and ellipses to ellipses with the same. true or false

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.

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?