Honestly I think you should look the words up in a Spanish dictionary. If you don't have one go get one. Whatever you do don't use google translate. It doesn't translate exactly right. You can use google translate for reading something in Spanish but never to write something.
Answer:
yes it's right
Explanation:
generlly speaking tu is used with people younger than or acquaintances/people that are close to you. While Ud. is used for the elderly and for people you show respect to
Explanation:
first one :limpia los paltos y el baño y la cosina
secon one : el limpia la sala para que pueda decorarla
third one: la mamá de Arturo cosina pavo y arozz y también frijoles.
four :los quiaseres de Arturo son limpiar los platos y la cosina y el baño.
1.olga es la más inteligente
2.
jorge a menudo necesita ayuda
3.
ana es una gran tutora
4.
los tres toman la misma clase de matemáticas
Hope This Helped