Answer:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count
Writing assignments typically deal with essays which formally contain 5 to 6 sentences each paragraph and you should have 5 paragraphs unless told otherwise and do not use the word you at anytime
yo - era
tú - eras
él/ella - era
nosotros - éramos
vosotros - erais
Ellos/Ellas - eran
I suggest using wordreference.com for any conjugating
1. Estar
2. Ser
3. Ser
4. Ser
5. Estar
6. Ser
7. Ser