How do you say hello and goodbye in japanese?

What is the word for sandwich in mexico and spain

1which legislation enacted in the south after the civil war promoted "separate but equal" facilities for different races? a. fourteenth amendment b. jim crow laws c. emancipation proclamation d. fifteenth amendment

Does any one here play destiny 2? so that this question doesnt get deleted oo, what is pi r ^2 of the circumference 0of 5