Find the coordinate of orthocenter (point of intersection of the altitudes) of the triangle formed by the straight lines x - y - 5 = 0, 2x - y -8 = 0 and 3x -y -9 = 0

Is every rectangle is a parallelogram? true false

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)