Im giving away free points 100 points and brainliest no questions to be answered just enjoy

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Can some one explain this i got sent this. is this a threat i’m scared