Please help it’s due in 30 mins and I still have a lot more questions :(

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

What is the slope of the line (-7,2) (4,6)