what are open and closed numbers

What is open when it's closed

What is an open word? A closed word? Have to put vocabulary words into categories?????

What is an open and closed sytem refer to in chemistry? thanks!

is this an open or closed system? baking soda reacting with vinegar

Is there like a open/closed time on Jiskha? Is there a certain cut off time so I know when not to wa...

n<15 open or closed circle for graph bar

closed or open point

Is this figure open or closed? This is an illustration of a purple triangle. Select the c...

open cirlce or closed

n>8 open r closed dot?

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