Besoin d'aide, c'est rapide! merci

1/ How far is Washington D.C from San Francisco ?
2/ How speed is a satellite which orbits the earth ?
3/ How tall are the famous redhood trees in Northern California ?
4/ How cold is New York in winter ?
5/ How big and how long is a basketball field ?
6/ How old was Kennedy in 1963 ? 

Voilà ;)