Answer:
First keep in mind that parallel lines are lines that never meet, while perpendicular lines are two lines that meet in a right angle
1. Perpendicular line
-The addition sign forms 4 right angles
2. Parallel line
-The equal sign are two lines parallel from each other
3. Neither
-The subtraction sign is only a single line and does not form a right angle
4. Parallel lines
-The lines on the blackboard are horizontally perpendicular to each other.
5. Perpendicular line
- When it is 3 o'clock the hands form a right angle which means they are perpendicular to each other
~hope it helps ^-^
