I give brainiest for correct answers so how some smart people answer some !! and help a girl out

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)

they were destroyed coming out of the civil war but after he war they were booming. if you need an in-depth answer follow up with me  

down below

20: 5

explanation:

about 20% of the world's population lives in   southwest asia, but on less than 5% of the world's   land area.