The path from the subway station to the art museum is three blocks to the north then four blocks to the west. What is the straight-line distance in blocks from the subway station to the art museum?

2? Or four

Explanation:well it says 3 blocks the west the. Four blocks to the left so if you want to go north you would go 4 blocks north? Or 7 im not sure since the.question is hard to understand.

i don't know that i agree with that but what's the question ?

k2s for potassium sulphide