Answer:
At the beginning of hidden figures Katherine, Dorthy, and Mary are treated poorly at nasa but by the end of the book they start treating them with respect after they proved the racist white people wrong.
Explanation:explaination above
I know for number one it's Dear, Mrs. Lamont, since it's a name so the comma goes before it. I'm sorry if I'm wrong
it is a technology that moves things virtually like hands and other virtual objects. i hope this helps
im going to read it then get back to you
