Answer:1:Dos mas quince son diesiciete
2:veinte menos uno son diecinueve
3:cinco mas siete son doce
4:dieciocho mas doce son treinta
5:tres mas veintidos son veintecinco
6:seis menos tres son tres
7:once mas doce son veintitres
8:siete menos dos son cinco
9:ocho mas cinco son trece
10:23-14son nueve
Explanation:
The correct option to "of course" is claro. for example "of course, I am going to the party"--> " claro que voy a la fiesta".
There are other options for this same expression, you can say "por supuesto" "naturlamente", "sin dudas", "naturalmente", etc.
Ok here’s an acronym I used for ser and estar it helps so much
H- health
E-emotion
L- location
P- present progressive