Can someone help with this question, please ​

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?