The distance along the x-axis is 4 units (7 minus 3). The distance along the y-axis is 3 units (4 minus 1). These represent the horizontal and vertical shifts between the points.
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Yes, a similar rule applies: the y-coordinate of any point on the x-axis is always 0. These points follow the general form (x, 0), indicating they have no vertical displacement.
The x-coordinate of any point located on the y-axis is always 0. This is because the point has not moved horizontally to the left or right from the central vertical line.
Most modern schools have doors at least 36 inches wide, which is suitable for wheelchairs. However, if the doors are narrower than 32 inches or have high thresholds, they are not suitable.
Standard interior doors at home are typically 30 to 32 inches wide. In schools and public buildings, doors are wider, usually 36 inches, to accommodate higher traffic and ensure safety during emergencies.