How do i find the value of x. step by step.

Which of the following points is collinear with (-2,1) and (0,3)

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?