Help me with spanish please

1st one is how old is your grandma
2nd one is how old are your parents
3rd one i think that one means how old is your sister

I need points buh the questions are answered ^

3. study 4.eat 5.play american football 6.write a card 7.practice piano 8.swim in the pool 9.paint a mural 10.listen to the band 11.dance at a party 12.drink milk 13.visit panama 14.open the card 15.prepare dinner 16.stay in the house 17.watch tv 18.write on the paper 19.study spanish 20.examine the paintings in the museum. i hope this : )

Am i 2