Can i use a dash in a sentence like "going to a room - cant remember where this took place"

No.

Explanation:

Dashes are used to replace a parentheses or a colon. They can also be used to censor words and are often used to tell a range between numbers like 19-21.

In this case, you’re trying to use a dash to denote a connection which a dash can be used for but only when you’re connecting two words that are already have hyphens or are being used as a modifier.

look it up

Explanation:

4. People see the world differently

People see the world differently.The reason I have chose this is because of the way she saw her neighborhood remember she said that she thought her neighborhood looked like a charcoal sketch. The second reason I chose people see the world differently is because she thought class was boring but others may have thought it was fun. hope this helps